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S554-6500-19 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS DS3/E3/STS-1 Dual Transformer
HIGH FREQUENCY MAGNETICS
DS3/E3/STS-1 Dual Transformer
TM02132
• Optimized for Maxim DS3150 and TDK 78P7200
devices which operate at E3, DS3 and 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
• Meet ITU-T G.703 return loss from -40° to +85° C
from 860 kHz to 51.55 MHz
• UL 1950 approved: file number E150991
• 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
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
Turns Ratio
±2%
Line-side Inductance
at 100 kHz
Leakage
Inductance
at 1 MHz
Capacitance
C w/w
Return Loss at 1.72 MHz
75Ω Application1
Line : IC
25° C
µH min
-40° C
µH min
µH max
pF max
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
S554-6500-19 1 : 2CT 1 : 2CT 80
80
40
40
0.09 0.09
10
25
25
18
18
1. IC side terminated in 330 Ω
SCHEMATIC
S554-6500-19
Line Side
1
Coil A
2
3
4
5
6
7
Coil B
8
1 : 2CT
1 : 2CT
IC Side
16
15
14
13
12
11
10
9
©2002 Bel Fuse Inc. Specifications subject to change without notice. 04.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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