BEL S554-6500-16

HIGH FREQUENCY MAGNETICS
DS3/E3/STS-1 Dual Transformers
TM02129
•
Optimized for line transceivers operating at E3, DS3
or STS-1 rates: 34.368 Mb/s, 44.736 Mb/s, 51.84 Mb/s
•
Transmit transformer and receive transformer in one
surface mount package
Meets ITU-T G.703 return loss from -40° to +85° C
from 860 kHz to 51.55 MHz
•
•
•
Operating temperature range -40° to +85°C
•
Meets IEC 695, 2-2 flammability requirements
•
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
•
Interwinding breakdown voltage: 1500 Vrms min
UL 1950 approved: file number E150991
ELECTRICAL SPECIFICATIONS at 25° C
Turns Ratio
±2%
Part Number
Primary Inductance
at 100 kHz
25° C
µH min
Pri : Sec
-40° C
µH min
Leakage
Inductance
at 1 MHz
Capacitance
C w/w
µH max
pF max
Return Loss at 1.72 MHz
75Ω Application1
25° C
dB typ
-40 to +85° C
dB min
Coil A
Coil B
Coil A
Coil B
Coil A
Coil B
Coil A
Coil B
Coil A & B
Coil A
Coil B
Coil A
Coil B
S554-6500-15
1:1
1:1
80
80
40
40
0.09
0.09
10
25
25
18
18
S554-6500-16
1:1
1CT : 1CT
80
80
40
40
0.09
0.10
10
25
25
18
18
S554-6500-17
1 : 2CT
1:1
80
80
40
40
0.09
0.09
10
25
25
18
18
S554-6500-18
1:1
1 : 2CT
80
80
40
40
0.09
0.09
10
25
25
18
18
1. Terminated in 75 Ω for 1 : 1 ratios and 300 Ω for 1 : 2 ratios
SCHEMATICS
S554-6500-15
Primary
1
Coil A
2
1:1
S554-6500-16
Secondary
16
15
3
14
4
13
5
12
6
11
7
1:1
1:1
Secondary
16
15
3
14
4
13
5
12
1CT : 1CT
6
11
Coil B 7
10
8
9
10
Coil B
8
Primary
1
Coil A
2
9
©2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1
HIGH FREQUENCY MAGNETICS
DS3/E3/STS-1 Dual Transformers
TM02129
SCHEMATICS
S554-6500-18
S554-6500-17
Secondary
1
Primary
16
2CT : 1
Coil A 2
15
3
14
4
5
1:1
Primary
1
Coil A
2
1:1
Secondary
16
15
3
14
13
4
13
12
5
12
1 : 2CT
6
11
6
11
Coil B 7
10
Coil B 7
10
8
9
8
9
MECHANICAL
S554-6500-15
S554-6500-16
S554-6500-17
S554-6500-18
0.485
[12.32]
max
Suggested PCB Pad Layout
0.375 0.285
[9.53] [7.24]
max max
0.425
[10.80]
0.050
[1.27]
0.018 ±0.002
[0.46 ±0.05]
0.050
[1.27]
0.025
[0.64]
0.070
[1.78]
0.225
[5.72]
max
0.004 [0.10]
0.003
[0.08]
min
Tape and Reel Packaging
0.350 ±0.010
[8.89 ±0.25]
0.008 - 0.012
[0.20 - 0.30]
0.035
[0.89]
6˚ nom
Dimensions are in inches [millimeters].
Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.
24 mm wide by 12 mm pitch; 13 inch OD, 4 inch ID
750 modules per reel, maximum
Meets ANSI/EIA 481-2 Carrier Tape Standards - JEDEC SO Package
©2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
Bel Fuse Ltd.
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel 852-2328-5515
Fax 852-2352-3706
www.belfuse.com
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel 44-1772-556601
Fax 44-1772-888366
www.belfuse.com
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