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S553-6500-A6 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Dual Transformer
HIGH FREQUENCY MAGNETICS
T1/E1 Dual Transformer
TM02126
• Optimized for Infineon PEB 2256, PEB 22504 and
PEB 22554 line interface devices
• Transmit transformer and receive transformer in one
surface mount package
• Center taps provided to facilitate phantom powering
• Available with 75Ω tap on receive transformer as
S553-6500-A5
• Meets ITU-T G.703 return loss from -40° to +85° C
from 51 kHz to 3.072 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
Part Number
Turns Ratio
±2%
IC : Line
TX
RX
Primary
Inductance
at 10 kHz
mH min
TX
RX
S553-6500-A6 1CT : 2.40CT 1CT : 1CT
1.0
1.8
Leakage
Inductance
at 1 MHz
µH max
TX
RX
0.3
0.5
DCR
Ω
max
Primary
Secondary
TX
RX
TX
RX
Capacitance
pF max
Pri to Sec
0.6
0.7
1.4
0.7
35
SCHEMATIC
S553-6500-A6
Primary
1
TX CT 2
3
4
Secondary
1CT : 2.40CT
16
15 CT
14
13
Return Loss at 102 kHz
120Ω Application1
25° C
dB typ
TX
RX
-40 to +85° C
dB min
TX
RX
18
32
18
19
1. IC side terminated in 15 Ω for TX and 120 Ω for RX
5
6
RX CT 7
1CT : 1CT
12
11
10 CT
8
Secondary
9
Primary
©2002 Bel Fuse Inc. Specifications subject to change without notice. 08.02
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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