BEL S553-6500-10

TRANSFORMERS
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMERS
DUAL SURFACE MOUNT
Dual surface mount package contains both transmit
and receive transformers.
Models matched to leading transceiver chips.
Provide 1500 Vrms Isolation.
Bel introduces a new ISDN TI/CEPT/
ISDN-PRI Transformer in a surface
mount package
.475
(12.1)
MAX
12
1
.100(2.54)
TYP
11
10
9
8
7
12
11
10
8
7
5
6
12
3
1
bel
YYWW
.030(0.76)
TYP
PART NUMBER
.085(2.16)
TM0001
.675(17.2)
MAX
1
2
3
4
5
6
1
12
11
10
9
8
7
12
2
3
10 9
8
7
4
5
6
9
8
7
4
5
6
7
6
4
2
.600
(15.3)
MAX
1
2
3
4
6
.400
(10.2)
MAX
1
2
12
3
10
5
.340(8.64)
MAX
1
.004
2
3
.010/.020
(0.25/0.51)
.040/.050
(1.01/1.27)
ELECTRICALS SPECIFICATIONS @ 25O C
O
Part Number
Turns Ratio
(pri:sec +/-5%)
OCL 25 C
(mH min)
S553-6500-10
S553-6500-11
S553-6500-12
S553-6500-13
S553-6500-14
S553-6500-15
S553-6500-16
1ct:2ct & 1ct:2ct
1ct:2ct & 1:1.36ct
1:2ct &1:1.14ct
1ct:2ct & 1:1
1:1.15ct & 1ct:2ct
1:1:1.26 & 1:2ct
1ct:2ct & 1:1.08ct
1.2 & 1.2
1.2 & 1.2
1.2 & 1.2
1.2 & 1.2
1.5 & 1.2
1.5 & 1.2
1.2 & 1.2
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Cw/w
(pf max)
31
32
40
30
35
40
40
&
&
&
&
&
&
&
31
37
35
30
35
40
30
LL
(uH max)
0.60 & 0.6
0.55 & 0.8
0.55 & 0.8
0.55 & 0.8
0.60 & 0.6
0.40 & 0.5
0.60 & 0.6
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
Standard Temp. Range Models
DRC PRI
DRC SEC Sch
(ohms max) (ohms max)
0.7 & 0.7
0.7 & 0.7
0.7 & 0.7
0.7 & 0.7
0.7 & 0.7
0.7 & 0.7
0.7 & 0.7
1.2 & 1.2
1.2 & 0.9
1.2 & 0.9
1.2 & 0.7
0.9 & 1.2
0.9 & 1.2
1.2 & 0.7
1
2
5
3
4
5
2
Primary
Pins
12-10,4-6
12-10,4-6
12-10,4-6
1-3,5-6
12-10,4-6
12-10,4-6
12-10,4-6
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T100
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMERS
DUAL SURFACE MOUNT
TM0002
Bel introduces a new ISDN TI/CEPT/
ISDN-PRI Transformer in a surface
mount package
Dual surface mount package contains both transmit
and receive transformers.
Models matched to leading transceiver chips.
Provide 1500 Vrms Isolation.
.475
(12.1)
MAX
12
1
.100(2.54)
TYP
10 9
8
7
12
10
9
8
7
3
4
5
6
10
9
8
7
4
5
6
12
4
1
bel
YYWW
.030(0.76)
TYP
PART NUMBER
.085(2.16)
11
.675(17.2)
MAX
1
2
3
4
5
6
1
12
11
10
9
8
7
12
2
7
6
2
.600
(15.3)
MAX
1
2
3
.400
(10.2)
MAX
5
4
6
1
2
3
12
11
10 9
7
6
.340(8.64)
MAX
1
3
4
6
.004
.010/.020
(0.25/0.51)
.040/.050
(1.01/1.27)
ELECTRICALS SPECIFICATIONS @ 25O C
Part Number
S553-6500-03
S553-6500-05
S553-6500-06
S553-6500-07
S553-6500-08
S553-6500-09
Turns Ratio
(pri:sec +/-5%)
OCL 25O C
(mH min)
1ct:1ct & 1ct:1ct
1ct:2ct & 1ct:2ct
1ct:2ct & 1:1.36ct
1:1.15ct & 1ct:2ct
1:1:1.266 & 1:2ct
2:2ct & 2:1
1.2 & 1.2
1.2 & 1.2
1.6 & 1.6
1.5 & 1.2
1.5 & 1.2
1.6 & 1.6
Cw/w
(pf max)
LL
(uH max)
50
50
60
60
50
50
0.8 & 0.8
0.8 & 0.8
1.0 & 0.8
0.8 & 0.8
0.8 & 0.8
1.3 & 1.3
&
&
&
&
&
&
50
50
50
50
60
40
At -40 dregee C, OCL is 600 uH min. for all low temp. models with the exception
of S553-6500-09 which is 800 uH min.. All other parameters are specified at
+25 degree C only.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T101
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
* Extended Temp. Range Models
DRC PRI
DRC SEC Sch
(ohms max) (ohms max)
Primary
Pins
12-10,4-6
1.0 & 1.0
1
1.0 & 1.0
12-10,4-6
1.0 & 1.0
1
1.7 & 1.7
12-10,4-6
1.5 & 1.5
2
2.0 & 1.7
12-10,4-6
1.0 & 1.0
4
1.0 & 1.7
12-10,4-6
1.0 & 1.0
5
1.1 & 1.7
1-3,4-6
1.1 & 1.1
6
1.1 & 0.7
*Extented temp. range is -40 C to +85 C
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
S559-6400-00
TM0003
SCHEMATIC
* Dielectric Strength 1500 VAC.
MECHANICALS
7
1
2
3
4
5
6
1:1
SUGGESTED
PAD LAYOUT
0.400
(10.2)
0.055
(1.40)
6
0.10(2.54)
0.03(0.76)
ELECTRICALS @ 25
O
0.640
(16.3)
0.10(2.5) Typ
0.05(1.3) Typ
0.340
(8.64)
Max
C
0.015(0.38)Min
0.02(0.51) Max
Turns Ratio +/- 5%
Pins (10-12):(1-3)
S559-6400-00 1CT:1.15CT
S559-6400-00
8
0.400 0.470
(10.16) (11.94)
Max
Max
S559-6400-00
Part
Number
9
0.500
(12.7)
bel Date Code
Part
Number
10
0o -5o
0.675(17.15)
Max
12
7
1
11
0.004
* Temperature Range is
-40oC to 85oC.
0.60(15.24)
Max
12
1.15 : 1
Bel offers a dual, T1, surface mount
transformer packaged to provide both transmit and
receive transformers. This design is easily customized for other leading transceiver chips by adjusting
the turns ratio.
All dimensions are in inches(mm).
Dimension Tolerance is +/-0.01(0.25)
unless otherwise specified.
Pins (4-6):(7-9)
1CT:1CT
Primary
Inductance
OCL (mH) Min
Leakage
Inductance
LL (µH) Max
Interwinding Capacitance
(pF) Max
DCR (ohms)
Max
Pins (4-6) and
Pins (10-12)
Pins (4-6) and
Pins (10-12)
Pins (1,2,3) to Pins (10,11,12)
and Pins (4,5,6) to Pins (7,8,9)
Pins Pins Pins Pins
(1-3) (4-6) (7-9) (10-12)
1.5
0.8
60
1.1 1.0 1.0
1.0
Dielectric
Strength
(VAC)
1500
Dielectric Strength is measured Pins (1,2,3) to Pins (10,11,12) and Pins (4,5,6) to Pins (7,8,9).
Primary Inductance, Leakage Inductance, and Interwinding Capacitance are measured at 100KHz, 0.02VAC.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T102
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
S553-6500-26
TM0004
SCHEMATIC
Bel offers a dual, T1, surface mount
transformer packaged to provide both transmit
and receive transformers. This design is
easily customized for other leading transceiver
chips by adjusting the turns ratio.
12
Secondary
11
10
9
3
4
Secondary
8
7
* Dielectric Strength 1500 VAC.
2
Primary
1
0.004
* Extended Temperature Range is
-40oC to 85oC.
MECHANICALS
0.675(17.15)
Max
12
belDate
0.60
(15.24)
Max
0.500
(12.7)
7
0.470
0.400
(10.16) (11.94)
Max Max
Code
S553-6500-26
0.055
(1.40)
0.10(2.54)
0.340
(8.64)
Max
0.03(0.76)
Part
Number
S553-6500-26
Part
Number
S553-6500-26
0.400
(10.2)
6
ELECTRICALS
SUGGESTED
PAD LAYOUT
0o -5o
1
6
5
Primary
0.640
(16.3)
0.10(2.5) Typ
0.015(0.38)Min
0.02(0.51) Max
0.05(1.3) Typ
@ 25o C
Turns Ratio +/- 2%
Pins (10-12):(1-3)
All dimensions are in inches(mm).
Dimension Tolerance is +/-0.01(0.25)
unless otherwise specified.
Pins (4-6):(7-9)
1CT:1.CT
1CT:2CT
Primary
Inductance
OCL (mH) Min
Leakage
Inductance
LL (µH) Max
Pins (1-3) and
Pins (4-6)
Pins (1-2) and
Pins (4-6)
1.2
0.8
Interwinding
Capacitance
(pF) Max
Pins (1,2,3) to Pins (10,11,12)
and Pins (4,5,6) to Pins (7,8,9)
50
DCR (ohms)
Max
Dielectric
Strength
(VAC)
Pins Pins Pins Pins
(1-3) (4-6) (7-9) (10-12)
1.0 1.0 1.8
1.0
1500
Dielectric Strength is measured Pins (1,2,3) to Pins (10,11,12) and Pins (4,5,6) to Pins (7,8,9).
Primary Inductance, Leakage Inductance, and Interwinding Capacitance are measured at 100KHz, 0.02VAC.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T103
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMERS
ENHANCED 3000VRMS ISOLATION
0.130
(3.30)
MECHANICALS
bel
0.400
(10.12)
10
9 0.558
8 (14.12)
Max
7
6
Date Code
PART NUMBER
1
2
3
4
5
0.10(2.5)
0.400
(10.12)
0.558(14.12)
Max
0.400
(10.12)
Max
TOP VIEW
SIDE VIEW
A
B
10
3
8
0.20
(5.08)
Leads are AWG 22, solderable
BOTTOM VIEW
All dimensions are in inches(mm) +/- 0.01(0.25) unless otherwise
specified.
SCHEMATICS
1
TM0005
1
10
1
C
10
1
D
E
10
1
10
2
8
3
6
2
3
4
5
6
6
5
5
6
5
6
4
ELECTRICALS
5
@ 25O C
OCL
Primary
(mH)
Min
0553-6500-19
1-5
1:1
1.20
0553-6500-20 1CT:2CT
1-5
1.20
0553-6500-21 1:1.36CT
10-6
1.20
0553-6500-22
1-5(2,4 sh)
1:1:2
0.80
0553-6500-23
1-5 (2,4 sh)
1:1:1.58
0.80
Extended Temperature Units, -40oC to 85oC
0553-6500-17
10-6
1:1:1.26
1.50
0553-6500-18 1CT:2CT
1-5
1.20
0553-6500-24 1CT:3CT:1
1-3
0.60
Part
Number
Turns
Ratio
+/- 2%
Primary
Pins
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Cww
(pF)
Max
LL
(µH)
Max
DCR Pri
(ohms)
Max
DCR Sec
(ohms)
Max
Schem.
30
30
35
25
18
0.50
0.30-0.50
0.60
0.50
0.70
0.70
0.70
0.70
0.70
0.70
0.70
1.10
0.90
0.70
0.50
B
A
D
C
C
35
30
30
0.60
0.55
0.80
0.70
0.70
0.70
1.10
1.10
1.70
D
A
E
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T104
defining a degree of excellence
T1 CARRIER INTERFACE TRANSFORMERS
T1/CEPT Telecom Line Interface Applications
TM0006
Bel provides transformer magnetics in several
package and schematic variations for T1/CEPT
Telecom Line Interface Applications. Bel's high
quality semi-automated processes provide
superior single small form, and standard dual
transformers.
* 2000 Vrms Isolation.
* Primary Inductance is 1.20mH
minimum.
* Primary DCR is 0.80 ohms
maximum.
* Custom designs available
upon request.
ELECTRICALS
Part
Number
A553-0013-00
A553-0013-01
A553-0013-03
A553-0013-05
A553-0013-06
A553-0013-07
A553-0013-08
0553-0013-IC
0553-0013-AC
0553-0013-BC
0553-0013-HC
0553-0013-1J
0553-0013-2J
0553-0013-4J
0553-0013-RC
0553-0013-SC
0553-1167-00
@ 25o C
Turns
Ratio
(+/- 5%)
1:1.385CT/1:1:1
1CT:2CT/1:1
1:1.385CT/1:1CT
Pins (1-2):(14:12) 1:1
(1-3):(14:12) 1.25:1
(5-7):(10:8) 1:2CT
1:2CT/1:2CT
1:1.15CT/1:2CT
1:1:1.266/1:2CT
1:1:1
1:1
1CT:1
1CT:2CT
1:2CT/1:2CT
1:2CT/1:1.36
1CT:2CT/1:1
1:1.15CT
1:1:1.266
1:1:1.266/1:2CT
Leakage
Inductance
LL
(uH) Max
0.80/0.50
0.80/0.50
0.80/0.50
0.50/0.50/0.80
0.80/0.80
0.50/0.80
0.80/0.80
0.50
0.50
0.50
0.80
0.80/0.80
0.80/0.80
0.80/0.50
0.50
0.80
0.50/0.60
Coupling
Capacitance
Cww
(pF) Max
35
35
35
50
35
35
35
35
35
35
35
35
35
35
35
35
35/40
Sec
DCR
(ohms)
Max
#Pins
on
Package
and Style
Schem.
0.80
1.8/0.80
0.80/0.80
0.80/0.80/1.8
16 Topper
14 Topper
14 Topper
14 Topper
A
B
C
C
1.8/1.8
0.80/1.8
0.80/1.8
0.80
0.80
0.80
1.8
1.8/1.8
1.8/0.80
1.8/0.8
0.80
0.80
0.80/1.8
14 Topper
14 Topper
14 Topper
6 "T" Topper
6 "T" Topper
6 "T" Topper
6 "T" Topper
14 DIL
14 DIL
14 DIL
6 "T" Topper
6 "T" Topper
14 DIL
C
C
C
E
F
G
K
C
D
B
G
E
C
Schematic and Mechanical information for the above components
are located on the facing page.
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: BelFuse@belfuse.com
Website: http://www.belfuse.com
T105
defining a degree of excellence
T1 CARRIER INTERFACE
TRANSFORMERS
TM0006
SCHEMATICS
A
Secondary
16
1
14
15
2
3
Primary
1
5
7
6
Secondary
14
8
1
12
13
2
Secondary
9
11 10
3
4
5
8
6
Secondary
12 11 10
2
3
D
4
5
Primary
9
8
14
6
7
1
Secondary
E
5
6
3
4
1
2
7
13
3
2
4
Secondary
5
6
3
1
F
C
Secondary
12 11 10
5
9
8
6
7
Primary
G
5
6
4
3
4
2
1
2
Primary
MECHANICALS
Package Style (14/16 Pins)
0.325(8.26)
B
Primary
13
Primary
Primary
14
4
9
11 10
12
bel
Date Code
0.29(7.37)
Max
Part Number
0.28(7.11)
0.10(2.54)
0.80(20.30)
Max
0.20(5.08)
0.010(0.25)
0.12(3.05)
Min
5
6
Note: 0553-1167-00
is missing pins
4 and 11, and is 0.80"
long and 0.25" high
from seating plane.
3
4
1
2
0.34(8.64)
Cross Sectional View
bel
Date Code
Part Number
0.018(0.46)
Ref
0.045(1.14)Ref
Note: For 14 Pin package, external package dimensions and pin
distances are identical. There are only seven pins per side.
Package Style “T”
0.35(8.89)
Max
K
1.00(25.40)
Max
Max
0.23(5.84)
Max
Package Style DIL
0.10(2.54)
0.50(12.70)
Min
0.385(9.78)
Max
0.20(5.08)
MAX
# 24 AWG
Solder Plated
0.20(5.08)
Min
0.30(7.62)
0.50(12.70)
Max
Note: For 0553-0013-BC the
pin length is 0.120" +0.2/-0"
0.40(10.16)
0.25(6.35)
Max
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
0.10(2.54)
Dimensions are in inches(mm).
Dimension Tolerance is +/- 0.02(0.51)
unless otherwise specified.
0.20(5.08)
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T106
defining a degree of excellence
SURFACE MOUNT T1 CARRIER
INTERFACE TRANSFORMERS
T1/CEPT Telecom Line Interface Applications
TM0007
Bel offers a new cost effective package on our
standard T1/CEPT Telecom Interface Line
Transformers. This sixteen lead, surface mount
package, provides a superior, cost effective,
quality product.
ELECTRICALS @ 25o C
Turns Ratio
T1/T2
Leakage
Inductance
LL (µH) Max
DCR
(ohms) Max
Schematic
1:1.385CT/1:1:1
1CT:2CT/1:1
1:2CT/1:1.36
1:2CT/1:2CT
1:1.15CT/1:2CT
1:1:1.266/1:2CT
0.80/0.50
0.80/0.50
0.80/0.80
0.80/0.80
0.50/0.80
0.80/0.80
0.80
1.80/0.80
1.80/0.80
0.80/1.80
0.80/1.80
0.80/1.80
A
B
C
D
D
D
Part
Number
S553-0013-00
S553-0013-01
S553-0013-02
S553-0013-03
S553-0013-06
S553-0013-07
SCHEMATICS
A
Secondary
16
15
1
2
14 13 12
3
4
5
11 10
9
7
8
6
Secondary
16
1
Secondary
Primary
15
14 13 12 11
2
3 4 5 6
1
Secondary
3 4 5
10
9
7
8
D
6
10
9
7
8
Secondary
B
Primary
16
15
1
2
Secondary
14 13 12 11
3 4 5
Secondary
6
10
9
7
8
C
Primary
The Bel Surface Mount “TopperTM” package offers an
industry standard package size and pin-out at an
aggressive price.
Dimensions are in inches(mm).
Dimension Tolerance is +/- 0.02(0.51)
unless otherwise specified.
Primary
MECHANICALS
Package Style SMT
0.485(12.32)
Max
Top
View
bel
Date Code
Part Number
0.018(0.45)
+/- 0.002(0.05)
0.375(9.53)
0.350(8.89)
0.285(7.24)
Max
0.215(5.46)
Max
0.015(0.38)
0.004(0.10)
0.05(1.27)Typ.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T107
2
Primary
14 13 12 11
Primary
Primary
16
15
0.012(0.31)
0.008(0.20)
0.350(8.89)
+/0.005(0.13)
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
4o Nom
0.025(0.64)
0.015(0.38)
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
SURFACE MOUNT T1 CARRIER
INTERFACE TRANSFORMERS
T1/CEPT Telecom Line Interface Applications
TM0008
* High Pot 2000 Vrms measured
for one minute.
Bel offers a new cost effective package on our
standard T1/CEPT Telecom Interface Line
Transformers. This sixteen lead, “TopperTM”,
surface mount package, provides a superior,
cost effective, quality product.
* Primary Inductance (OCL) is
1.20 Milihenries minimum.
* Primary DCR is 0.80 ohms maximum.
ELECTRICALS @ 25O C
Leakage
Inductance
LL (µH) Max
Coupling
Capacitance
(pF) Max
S553-0013-04
35
1:1.7/1:2CT
0.80/1.80
0.50/0.80
S553-0013-05 1:1/1:1.25/1:2CT 0.50/0.50/0.80 0.80/1.10/1.80
50
Turns ratio of S553-0013-05 ia (1-2):(16-14)/(1-3):(16-14)/(5-8):(9-11)
Turns Ratio
T1/T2
Part
Number
DCR
(ohms) Max
Schematic
A
B
* Coupling Capacitance
(Cww) is 35 PicoFarads
maximum.
* Custom designs
available.
SCHEMATICS
Secondary
Primary
14
16
1
11
3
10
6
Secondary
9
A
8
Primary
16
1
3
11
10
6
Secondary
Primary
MECHANICALS
2
Secondary
14
9
B
8
Primary
The Bel Surface Mount "TopperTM"
package offers an industry standard
package size and pin-out at an
aggressive price.
Dimensions are in inches(mm).
Dimension Tolerance is +/- 0.02(0.51)
unless otherwise specified.
Package Style SMT
0.485(12.32)
Max
Top
View
bel
Date Code
Part Number
0.018(0.45)
+/- 0.002(0.05)
0.375(9.53)
0.350(8.89)
0.285(7.24)
Max
0.215(5.46)
Max
0.015(0.38)
0.004(0.10)
0.05(1.27)Typ.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
0.012(0.31)
0.008(0.20)
0.350(8.89)
+/0.005(0.13)
4o Nom
0.025(0.64)
0.015(0.38)
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T108
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
S553-3855-02
TM0009
Bel introduces a new “pick and place” compatible,
small footprint, surface mount impedance
matching transformer for ISDN-PRI/T1/CEPT
applications.
* Pick and Place Compatible.
* Small form factor to maximize
board space.
MECHANICALS
SCHEMATIC
0.285(7.24)
Max
bel
Date Code
S553-3855-02
0.375(9.53)Max
0.350(8.89)Min
Primary
16
Secondary
15
14
13
12
11
2
3
4
5
6
10
9
7
8
1
Top View
0.018(0.46) +/- 0.002"
0.50(12.70) Max
1
0.225(5.72)
Max
Secondary
0.015(0.38)MAX
0.004(0.10)MIN
0.35 (8.89)
4O
Nom
0.012(0.30)Max
0.008(0.20)Min
ELECTRICALS
Primary
0.025(0.64)Max
0.015(0.38)Min
Dimensions in inches (mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
@ 25o C
Leakage
DC Resistance
Interwinding
DC
Primary
Hipot
Inductance
DCR Sec
Inductance L (mH) Max Capacitance Resistance
Part
(Vrms)
(ohm)
Max
L
Cww
DCR Pri
OCL (mH)
Min
Number
Pins
Pins
Pins
Pins
Pins
(ohm)
Max Pins
(pF)
Max
(16-14):(1-3) (6-8):(11-9)
Min
(16-14)* (6-8)**
(1-3)
(11-9)
S553-3855-02 1:1.15CT 1CT:2CT
1.20
1500
0.6
0.8
0.70
30
1.00
0.70
Turns Ratio
* Leakage Inductance is measured with Pins (1-3) shorted.
** Leakage Inductance is measured with Pins (11-9) shorted.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T109
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
T1 SURFACE MOUNT TRANSFORMER
S553-0320-00
Bel introduces a T1 transformer designed
to support the industry's aggressive price
requirements, while remaining fit and
function compatible to the industry
standards. Carefully controlled internal
construction provides minimal insertion
and return loss.
M
E
C
H
A
N
I
C
A
L
S
* Input to Output Isolation Voltage is
2000 Vrms, measured for 1 second.
0.475(12.07)
Max
Top View
bel
Date Code
S553-0320-00
TM0010
0.285(7.24)
Max
0.375(9.53)
0.350(8.89)
1
S
C
H
E
M
A
T
I
C
16
15
3
14
5
11
6
7
8
9
0.05(1.27)
Recommended
0.310(7.87)
Minimum Pad Layout
0.380(9.65)
0.018(0.46)
+/- 0.002(0.05)
0.05(1.27)Typ.
Dimensions in inches (mm)
Dimension tolerance
+/- 0.01(0.25)
unless otherwise stated
0.03(0.76)
0.215(5.46)
Max
0.015(0.38)
0.004(0.10)
ELECTRICALS
0.350(8.89)
+/0.05(1.27)
0.025(0.64)
0.015(0.38)
0.012(0.30)
0.008(0.20)
@ 25o C
Leakage
Turns
Primary
Inductance
Ratio
Inductance
LL (nH) Max
(+/- 5%) OCL (mH) min
Pins (1-3) tie
Pins (1-3) to
1:2
Pins (16,15,14)
Pins (5-6)
2:2:1
500
S553-0320-00
1.2
Part
Number
Leakage
Inductance
LL (nH) Max
Pins (5-6) tie
Pins (11,9)
1000
Coupling
Capacitance
Cww (pF) Max
Pins (1-16) to
Pins (5-11)
35
Electricals mesaured at100KHz, 20mV.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T110
defining a degree of excellence
TRANSFORMER MODULE
S553-5692-08
TM0011
Bel now provides a one component, surface mount
transformer module. The compact packaging allows
for a "single component" solution which provides cost
reduction and placement ease.
* 1500 Vrms Isolation.
MECHANICALS
SCHEMATIC
40
2
3
bel
1 : 1.36
1
All dimensions are in inches(mm).
Dimension tolerance is +/- 0.01(0.25)
unless otherwise specified.
Date Code
S553-5692-08
39
1.36 : 1
5
36
1 : 1.36
6
0.480
(12.19)
Typ
0.200(5.08)
Typ
Detail
"A"
38
4
35
7
8
34
1.36 : 1
33
9
10
0.05" Typ
11
1.20(30.48)
Typ
31
1 : 1.36
30
12
13
RECOMMENDED PCB
PAD LAYOUT
29
1.36 : 1
28
14
Detail "A"
26
15
0.030(0.76)
R 0.005
1 : 1.36
16
25
0.010-0.015"
0.645
(16.38)
0.070(1.78)
24
17
0o-5o
18
1.36 : 1
23
19
0.050(1.27)
ELECTRICALS
Part
Number
S553-5692-08
20
21
at 25O C
Turns Ratio
+/- 2%
Primary
Secondary
1: 1.36
1.36 :1
Primary
Inductance
OCL (mH) Min
1.25
DC Resistance
(Ω)
Primary Secondary
1.9
2.8
Leakage
Interwinding Isolation
Inductance Capacitance Voltage
LL (µH) Max
Cww (pF)
(Vrms)
0.8
35
1500
Leakage Inductance measured at 100kHz.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T111
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
TRANSFORMER MODULE
S553-5692-09
TM0012
Bel now provides a one component, surface mount
transformer module. The compact packaging allows
for a "single component" solution which provides
cost reduction and placement ease.
* 1500 Vrms Isolation.
SCHEMATIC
MECHANICALS
40
2
3
bel
1 : 1.14
1
All dimensions are in inches(mm).
Dimension tolerance is +/- 0.01(0.25)
unless otherwise specified.
Date Code
S553-5692-09
39
1.14 : 1
5
36
1 : 1.14
6
0.480
(12.19)
Typ
0.200(5.08)
Typ
Detail
"A"
38
4
35
7
8
34
1.14 : 1
33
9
10
0.05" Typ
11
1.20(30.48)
Typ
13
Detail "A"
0.030(0.76)
0.645
(16.38)
26
1 : 1.14
16
0o-5o
25
24
17
18
1.14 : 1
23
19
0.050(1.27)
S553-5692-09
28
15
R 0.005
0.070(1.78)
29
1.14 : 1
14
0.010-0.015"
Part
Number
30
12
RECOMMENDED PCB
PAD LAYOUT
ELECTRICALS
31
1 : 1.14
20
21
@ 25O C
Turns Ratio
+/- 2%
Primary
Secondary
1:1.14
1.14:1
Primary
Inductance
OCL (mH) Min
1.25
DC Resistance
(Ω)
Primary Secondary
2.2
2.6
Leakage
Interwinding Isolation
Inductance Capacitance Voltage
LL (µH) Max
(Vrms)
Cww (pF)
0.8
35
1500
Leakage Inductance measured at 100kHz.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T112
defining a degree of excellence
T1 TRANSFORMER
0559-5999-04
TM0013
* Isolation Voltage is 1500 Vrms
Bel introduces a new dual-in-line,
T1 Transformer.
MECHANICALS
0.800(20.32)
Max
bel
Date Code
0559-5999-04
Hipotted
0.385
(9.78)
Max
0.300
(7.62)
0.25(6.35)
Max
0.12(3.05)
0.20(5.08)
0.020(0.51) diameter
solderable leads
0.60(15.24)
All dimensions are in in(mm).
Dimension tolerance is +/-0.02(0.51)
unless otherwise specified.
SCHEMATIC
Secondary
1
2
Primary
5
12
10
7
1:1.15CT
1:2CT
3
14
8
9
Primary
Secondary
ELECTRICALS @ 25O C
Part
Number
0559-5999-04
Primary Inductance
OCL (mH) Min
Pins
(5-7)
1.2
Pins
(14-12)
1.5
Leakage Inductance
LL (µH) Max
Pins
(5-7)
0.5
Coupling Capacitance
CWW (pF) Max
Pins
(14-12)
Pins
(14-1)
Pins
(5-10)
0.6
35
40
DCR
Ω (ohms) Max
Pins (5-7) Pins (1-3)
to (14-12)
to (8-10)
0.7
1.1
Primary Inductance and Leakage Inductance measured at 100KHz, 20mV.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T113
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
T1 TRANSFORMER
0559-5999-05
TM0014
Bel introduces a new dual-in-line,
T1 Transformer.
* Isolation Voltage is 1500 Vrms
MECHANICALS
0.800(20.32)
Max
bel
Date Code
0559-5999-05
0.385
(9.78)
Max
0.300
(7.62)
0.25(6.35)
Max
Hipotted
0.12(3.05)
0.020(0.51) diameter
solderable leads
SCHEMATIC
Secondary
0.60(15.24)
Primary
2
3
5
12
10
All dimensions are in in(mm).
Dimension tolerance is +/-0.02(0.51)
unless otherwise specified.
7
1:2CT
1:1:1.266
1
0.20(5.08)
14
8
9
Primary
Secondary
Note: Pins (14-12) to Pins (1-3) is a 1:1.266 and Pins (14-12) to Pins (2-3) is a 1:1
ELECTRICALS
Part
Number
0559-5999-05
@ 25O C
Primary Inductance
OCL (mH) Min
Pins
(5-7)
1.2
Leakage Inductance
LL (µH) Max
Pins
(14-12)
1.5
Pins
(5-7)
0.4
Coupling Capacitance
CWW (pF) Max
Pins
(14-12)
Pins
(14-1)
Pins
(5-10)
0.5
35
40
DCR
Ω (ohms) Max
Pins (5-7) Pins (1-3)
to (14-12)
to (8-10)
0.7
1.1
Primary Inductance and Leakage Inductance measured at 100KHz, 20mV.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T114
defining a degree of excellence
T1 TRANSFORMER
0553-5841-00
TM0015
Bel offers a new T1 transformer. Precision
winding in combination with semi-automated
manufacturing processes provide a quality product.
* 1000 Vrms Isolation.
SCHEMATIC
* Able to withstand
aqueous washes.
1
2
16
15
3
4
5
14
13
12
7
8
11 10
9
6
* Operating Temperature Range
0oC to 70oC.
MECHANICALS
0.325(8.26)
bel
Cross Sectional Views
0.28(7.11)
0.80(20.32)
Max
Date Code
0.29(7.37)
Max
Part Number
0.10(2.54)
0.20(5.08)
Max
0.23(5.84)
Max
Part
Number
0553-5841-00
1 : 2CT
1:1:1
Leakage
Inductance
LL (nH) Max
Inductance
OCL
(mH) Min
Pins
Pins
(1-2):(16-14) (7-8):(12-11):(10-9) Pins (1-2)
and
Pins (7-8)
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T115
Dimensions are in inches(mm). Dimension tolerance is
equal to +/- 0.01(0.25) unless otherwise stated.
@ 25o C.
Turns Ratio (+/- 5%)
0.34(8.64)
0.045(1.14)
Ref
0.018(0.46)
Ref
ELECTRICALS
0.010(0.25)
0.12(3.05)
Min
1.2
DCR
(mohms) Max
Pins (1-2)
Pins (7-8)
Pins (1-2)
Pins
tie
tie
and
Pins (14,15,16) Pins (9,10,11,12) Pins (7-8) (14-16)
800
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
500
800
1100
Coupling
Capacitance
Cww (pF) Max
Pins (1-16)
and
Pins (8-9)
35
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
ISDN TRANSFORMER
0553-0043-DC
TM0016
Bel provides a new transformer
to be used with the Echelon Lontalk
applications.
* Primary Inductance is 3.5 mH
minimum.
* Isolation Voltage - 1500Vrms.
bel Date Code
0553-0043-DC
0.11MIN
2.77 MIN
M
E
C
H
A
N
I
C
A
L
S
BOTTOM
VIEW
TOP
VIEW
inches
Dimensions in (mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
Primary
SCHEMATIC
Secondary
ELECTRICALS
Part
Number
0553-0043-DC
Primary
Inductance
OCL
(µH) Min
DCR
ohms (max)
Turns
Ratio
Pins (1-5)
Pins
(1-5):(2-6)
3.5
1CT:1CT
Pins (1-5)
0.5
Pins (2-6)
0.5
Electricals @ 25 o C.
Primary Inductance is measured at 20 mV @ 10 KHz..
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T116
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
0553-0013-13
TM0017
Bel provides a new transformer
to be used in multiple T1/CEPT/ISDN-Pri
applications.
0.35(8.89)
Max
0.50(12.70)
Max
* Isolation Voltage - 1500Vrms.
0.13(3.30)
0.11MIN
Min
2.77
MIN
0.10(2.54)
0553-0013-13
bel Date Code
M
E
C
H
A
N
I
C
A
L
S
* Primary Inductance is 1.2 mH
minimum.
0.40(10.16)
BOTTOM
VIEW
0.25(6.35)
Max
TOP
VIEW
0.02" pin
diameter typical
1:1.36CT
5
6
Secondary
Primary
SCHEMATIC
ELECTRICALS
Part
Number
0553-0013-13
4
@ 25O C.
Primary
Inductance
OCL
(mH) Min
1.20
1
Turns
Ratio
+/- 5%
Pins
(1-5):(2-6)
1:1.36CT
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T117
Dimensions in inches(mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
2
Leakage
Coupling
Inductance
Capacitance
LL
(pF) Max
(µH) Max
35
0.80
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
DCR
(ohms) Max
Pins (1-5)
Pins (2-6)
0.7
0.9
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
0553-0013-14
* Primary Inductance is 1.5 mH
minimum.
Bel provides a new transformer
to be used in multiple T1/CEPT/ISDN-Pri
applications.
0.50(12.70)
Max
bel
0.35(8.89)
Max
* Isolation Voltage - 1500Vrms.
0.13(3.30)
0.11MIN
Min
2.77
MIN
0.10(2.54)
Part Number
M
E
C
H
A
N
I
C
A
L
S
TM0018
0.40(10.16)
BOTTOM
VIEW
0.25(6.35)
Max
TOP
VIEW
0.02" pin
diameter typical
1:1.266CT
6
5
Secondary
Primary
SCHEMATIC
ELECTRICALS
Part
Number
0553-0013-14
3
@ 25O C.
Primary
Inductance
OCL
(mH) Min
1.50
2
Turns
Ratio
+/- 5%
Pins
(2-6):(1-5)
1:1.266CT
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Dimensions in inches(mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
1
Leakage
Coupling
Inductance
Capacitance
LL
(pF) Max
(µH) Max
18
0.80
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
DCR
(ohms) Max
Pins (1-5)
Pins (2-6)
0.80
0.92
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T118
defining a degree of excellence
ISDN TRANSFORMER
0554-3855-00
TM0019
Bel provides a new transformer.
* Primary Inductance is 19µH
minimum.
* Isolation Voltage - 3000Vrms.
bel Date Code
0554-3855-00
0.11MIN
2.77 MIN
M
E
C
H
A
N
I
C
A
L
S
BOTTOM
VIEW
TOP
VIEW
5
1
inches
Dimensions in (mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
Primary
1:2CT
SCHEMATIC
Secondary
ELECTRICALS
Primary
Inductance
Part
Number
OCL
(µH) Min
Pins (1-5)
0554-3855-00
19
2
Turns
Ratio
4
6
DCR
ohms (max)
Pins
Pins (1-5)=(2-4)=(4-6)
(1-5):(2-6)
1:2CT
0.20
Coupling Isolation
Leakage
Inductance Capacitance Voltage
(Vrms)
(pF) Max
(µH) Max
1 Min
60
60
3000
o
Electricals @ 25 C. Primary Inductance is measured at 20 mVrms @ 100 KHz.
Leakage Inductance and Coupling Capacitance is measured at 100KHz, 10mVrms.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T119
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
T3/DS3/E3/STS-1 TRANSFORMERS
TM0020
Bel provides a small footprint transformer for use
in multiple applications. It is available in both through
hole and "pick and place compatible" SMD packaging.
0.310
(7.87) Max
MECHANICALS
0.325(8.26)
Max
bel
Date Code
0554-3184-00
* High Reliability and Low Cost
0.210(5.33) Max
0.285
(7.24)
Max
0.012(0.30)Max
0.008(0.20)Min
0.12(3.05)
Min
0.10(2.54)
0.018(0.46)
Ref
0.045(1.14)
Ref
0.310
(7.87) Max
bel
0.375(9.53) Date Code
Max
S554-3184-00
0.285(7.24)
Max
0.375(9.53) Max
0.350(8.89) Min
0.200(5.08)
Max
0.025(0.64)Max
0.015(0.38)Min
5o
0.10(2.54)
0.018(0.46)
+/- 0.002"
4
3
5
2
6
1
SCHEMATIC
Primary
ELECTRICALS
Part
Number
Turns
Ratio
+/- 5%
0554-3184-00
S554-3184-00
1:1
Dimensions are in inches (mm).
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated.
Secondary
@ 25o C
Primary
Pins
Inductance
OCL
(µH) Min
4-6
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
40
Leakage
Inductance
LL (µH) Max
0.08
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
Bandwidth
(dB) Typ
Hipot
(Vrms)
200kHz-340MHz @1 Sec
3
1500
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T120
defining a degree of excellence
DS3/T3/E3/STS-1 TRANSFORMERS
0554-3184-01 and S554-3184-01
TM0021
Bel introduces two new "pick and place" compatible, small
footprint, transformers designed to be used in multiple
applications.
MECHANICALS
0.325(8.26)
Max
* 1500 Vrms isolation
* High Reliability and Low Cost
0.310
(7.87) Max
bel
0.210(5.33) Max
0.290
(7.37)
Date Code
0554-3184-01
0.010(0.25)
0.12(3.05)
Min
0.34(8.64)
0.10(2.54)
0.018(0.46)
Ref
0.045(1.14)
Ref
0.31
(7.87) Max
bel
0.375( 9.53) Date Code
Max
S554-3184-01
0.285(7.24)
Max
0.200(7.08)
Max
0.375(9.53) Max
0.350(8.89) Min
0.025(0.64)Max
0.015(0.38)Min
5o
0.10(2.54)
Primary
4
Secondary
3
SCHEMATIC
Dimensions are in inches (mm).
Dimension tolerance +/- 0.01(0.25) unless
otherwise stated.
2
6
ELECTRICALS
Part
Number
0554-3184-01
S554-3184-01
1
o
@ 25 C
Turns Inductance
OCL
Ratio
(µH) Min
+/- 5%
1:2CT
1:2CT
19
19
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T121
Bandwidth
Leakage
Hipot
(dB) Typ
Inductance
(Vrms)
LL (µH) Max 250kHz-500MHz @1 sec
0.06
3
1500
0.06
3
1500
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
ISDN TRANSFORMERS
T3 Applications
TM0022
Bel provides a small footprint transformer for use
in multiple applications. It is available in both through
hole and "pick and place compatible" SMD packaging.
0.310
(7.87) Max
MECHANICALS
0.325(8.26)
Max
bel
Date Code
0554-3184-02
* High Reliability and Low Cost
0.210(5.33) Max
0.285
(7.24)
Max
0.012(0.30)Max
0.008(0.20)Min
0.12(3.05)
Min
0.10(2.54)
0.018(0.46)
Ref
0.045(1.14)
Ref
0.310
(7.87) Max
bel
0.375(9.53) Date Code
Max
S554-3184-02
0.285(7.24)
Max
0.375(9.53) Max
0.350(8.89) Min
0.200(5.08)
Max
0.025(0.64)Max
0.015(0.38)Min
5o
0.10(2.54)
SCHEMATIC
Primary
ELECTRICALS
Part
Number
0554-3184-02
S554-3184-02
0.018(0.46)
+/- 0.002"
1
6
2
5
3
4
Dimensions are in inches (mm).
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated.
Secondary
@ 25o C
Inductance Leakage
DC Resistance
Turns
Primary
OCL
DCR
(ohms) Max
Inductance
Ratio
Pins
(µH)
Min
LL (µH) Max Pins (1-3) Pins (4-6)
+/- 5%
1:2CT
1-3
40
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
0.12
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
0.2
0.3
Hipot
Interwinding
Capacitance (Vrms)
Cww (pF) Max @1 Sec
10
1500
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T122
defining a degree of excellence
PULSE TRANSFORMERS
S553-3855-01
TM0023
* Designed to work compatibly with the
Level One LXT441 Transceiver.
Bel takes this opportunity to supply a new
Pulse Transformer for Digital Data Service.
Our manufacturing processes assure quality
and reliability in every component.
SCHEMATIC
0.04(1.02)
6
3
Primary
* Designed for SW36 and DDS.
0.10(2.54)
SUGGESTED
PLACEMENT
Secondary
2
0.500(12.7)
1
4
MECHANICALS
0.339
(8.60)
1CT : 1
0.03(0.76)
All dimensions are in inches(mm).
Dimension tolerance is +/- 0.01 unless
otherwise stated.
0.20(5.08)
0.366
(9.30)
0.285(7.25)
0.100(2.54)
ELECTRICALS
Part
Number
S553-3855-01
Part
Number
S553-3855-01
0.500(12.7)
@ 25O C
Leakage Capacitance
Turns Ratio Primary
Inductance Inductance (pF) Max
+/- 2%
(mH) Min (µH) Max
Pins
(3-1):(4-6)
Pins (3-1)
1CT:1
40
Longitudinal Balance
(dB) Typ.
60Hz to 1000Hz to 15kHz to
2MHz
1000Hz 4000Hz
60
40
Pins (3-1)
40
Pins (3 to 4)
50
40
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T123
0.433(11.0)
DCR
(ohms)
+/- 10%
Pins (3-1) &
Pins (4-6)
6
Return Loss Insertion Frequency
(dB) Typ. Loss (dB) Response
(dB)
vs. Line 2
Typ.
1kHz
10kHz
100Hz-112kHz
32
1.50
+/- 1.0
DC Bias Dieletric
Current Strength
(mA) Min (VAC)
Pins (3-1) to
Pins (4-6)
50
1500
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
TRANSFORMER
0557-0450-00
TM0024
Bel designs a transformer for multiple
applications with a turns ratio of 1:1.8.
* 2000 Vrms Isolation Voltage
1 : 1.8
Sec : Pri
SCHEMATIC
4
6
8
3
2
0.920
(23.36)Max
MECHANICALS
10
6
0.915
(23.24)Max
Phenolic add to be inserted
and glued flush with
top and bottom of the transformer
core halves.
0557-0450-00
5
0.042(1.07) Typ
0.150
(3.81) Typ
Part
Number
0.800
(20.32)
1.05Max
(26.67)Max
1
ELECTRICALS
10
0.450 Max
(11.5) Max
0.165 Nom
(4.20) Nom
Dimensions are in inches (mm).
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated.
@ 25O C
Leakage
Coupling
Turns
Inductance Inductance Capacitance
Ratio
(mH)
(µH)
(pF) Max
(+/- 2%)
+/- 3%
Max
2.81
200
40
1 : 1.8
DCR
(Ω) Max
Pins
(6-10)
Pins
(4-2)
5.2
3.0
Hipot
(Vrms)
2000
Leakage Inductance is measured with Pins (4-2) tied.
Inductance, Leakage Inductance, and Coupling Capacitance tested at 10KHz, 0.1V.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T124
defining a degree of excellence
T1/CEPT/ISDN-PRI TRANSFORMER
0553-6500-04
TM0045
* Primary Inductance is 1.5 mH
minimum.
Bel provides a new transformer
to be used in multiple T1/CEPT/ISDN-Pri
applications.
0.35(8.89)
Max
0.13(3.30)
0.11MIN
Min
2.77
MIN
0.10(2.54)
0553-6500-04
0.50(12.70)
Max
bel Date Code
M
E
C
H
A
N
I
C
A
L
S
* Isolation Voltage - 1500Vrms.
0.40(10.16)
BOTTOM
VIEW
0.25(6.35)
Max
TOP
VIEW
0.02" pin
diameter typical
1:1:1.266
6
5
Secondary
Primary
SCHEMATIC
3
2
ELECTRICALS
Part
Number
0553-6500-04
@ 25O C.
Primary
Inductance
OCL
(mH) Min
1.50
Turns
Ratio
+/- 5%
Pins
(2-6):(3-5):(1-5)
1:1:1.26
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T125
1
Dimensions in inches(mm)
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated
Coupling
Leakage
Capacitance Inductance
(pF) Max
LL
(µH) Max
35
0.40
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
DCR
(ohms) Max
Pins (2-6)
Pins (1-5)
0.7
0.9
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
defining a degree of excellence
DATA COUPLING “T” CASE TRANSFORMERS
TM0051
SCHEMATICS AND MECHANICALS
SCHEMATICS
6
5
SECONDARY
PRIMARY
4
3
2
1
TERTIARY
5
6
SECONDARY
3
4
PRIMARY
1
2
2 windings with center taps
3 windings
MECHANICALS - T CASE PACKAGE STYLE
0.13(3.30)
Min
4
6
0.40(10.16)
1
0.25(6.35)
Max
Top View
0.10(2.54)
2
Part Number
bel
0.50(12.70)
Max
Date Code
0.350(8.89)
Max
Side View
3
5
Dimensions are in inches (mm).
Dimension Tolerance is
+/- 0.01(0.25) unless
otherwise specified.
0.02(0.51) 0
Pin Typ.
Bottom View
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel: 201-432-0463 • Fax: 201-432-9542 • E-Mail: BelFuse@belfuse.com
Website: http://www.belfuse.com
T126
defining a degree of excellence
DATA COUPLING “T” CASE TRANSFORMERS
TM0051
The "T" case LAN networking transformers are designed
to be used as small form, discreet components for
isolation and impedance matching. Custom designs are
also available upon request.
* 2000 Vrms Isolation.
* Discreet isolation protection
and AUI applications.
* Will withstand aqueous washes.
ELECTRICALS
Part
Number
0553-0053-IC
0553-0023-IC
0553-0013-IC
0553-5006-IC
0553-2006-IC
0553-1006-IC
0553-0506-IC
0553-0206-IC
0553-0106-IC
0553-0053-PC
0553-0023-PC
0553-5006-PC
0553-2006-PC
0553-0206-PC
0553-2006-QC
0553-0206-QC
0553-0023-DC
0553-0013-DC
0553-5006-DC
0553-2006-DC
0553-0506-DC
0553-0206-DC
0553-0106-DC
0553-0023-OC
0553-5006-OC
0553-2006-OC
0553-0506-OC
0553-0206-OC
0553-0106-OC
@ 25o C
Turns
Ratio
(+/- 5%)
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
1:1:1
2:1:1
2:1:1
2:1:1
2:1:1
2:1:1
3:1:1
3:1:1
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
1CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
2CT:1CT
Pri
Sec Tertiary
Coupling
Rise
Leakage
ET
Inductance
DCR
DCR
Time Capacitance Inductance DCR
Constant
Lp
(ohms)
(ohms)
(ohms)
C
(ns)
L
(Vµs) Min
ww
L
Max
Max
(µH)Min
Max
Max
(pF) Max
(µH) Max
60
1.3
5,000
10.5
25.0
3.9
3.9
3.9
37
0.8
2,000
8.2
16.0
2.5
2.5
2.5
30
0.7
1,000
8.0
11.0
2.0
2.0
2.0
32
0.4
500
5.3
8.5
1.3
1.3
1.3
18
0.3
200
4.2
5.0
0.9
0.9
0.9
15
0.5
100
5.6
5.0
1.0
1.0
1.0
18
0.5
500
5.6
5.2
1.3
1.3
1.3
21
0.4
20
4.1
3.2
0.9
0.9
0.9
22
0.5
10
5.1
3.7
0.9
0.9
0.9
33
3.6
5,000
16.0
25.0
3.9
2.0
2.0
19
1.8
2,000
11.0
16.0
2.5
1.4
1.4
11
1.1
500
5.6
8.5
1.3
0.7
0.7
8
0.8
200
3.2
5.0
0.9
0.5
0.5
12
1.5
20
7.5
5.8
1.3
0.8
0.8
7
1.1
200
3.6
5.0
0.9
0.4
0.4
6
1.3
20
2.7
3.2
0.9
0.4
0.4
37
0.8
2,000
8.2
16.0
2.5
2.5
-30
0.7
1,000
8.0
11.0
2.0
2.0
-32
0.4
500
5.3
8.5
1.3
1.3
-18
0.3
200
4.2
5.0
0.9
0.9
-18
0.5
50
5.6
5.2
1.3
1.3
-21
0.4
20
4.1
3.2
0.9
0.9
-22
0.5
10
5.1
3.7
0.9
0.9
-19
1.8
2,000
11.0
16.0
2.5
1.4
-12
1.2
500
5.6
8.5
1.4
0.8
-8
0.8
200
3.2
5.0
0.9
0.5
-12
1.3
50
5.2
5.2
1.3
0.7
-12
1.5
20
7.5
5.8
1.3
0.8
-9
1.5
10
4.5
3.7
0.9
0.5
--
Mechanical Diagrams and Schematics are located on the facing page.
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
T127
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366