BEL S553-6500-07

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