HIGH FREQUENCY MAGNETICS
T1/E1 OctalTransformer Module
TM01113
•
Optimized for Agere multi-channel 5-V devices:
T7630, T7688, T7689, T7690, T7698, TLIU04C1
•
•
•
Operating temperature range -40° to +85°C
Meets IEC 695, 2-2 flammability requirements
•
•
Eight transformers in one surface-mount package
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
Optimized for DS1 applications. Provides very high
return loss at receive interface per stringent Agere
requirements.
•
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
•
•
Meets return loss advertised by Agere (greater than
required by ITU-T G.703) from -40° to +85° C
Interwinding breakdown voltage: 1500 Vrms min
UL 1950 approved: file number E150991
ELECTRICAL SPECIFICATIONS at 25° C
Primary
Leakage
Inductance
at 1 MHz
DCR
Ω
max
Turns Ratio
Inductance
±2%
Capacitance
pF max
Return Loss at 102 kHz
100Ω Application1
at 10 kHz
Part Number
25° C
dB typ
-40 to +85° C
dB min
IC : Line
mH min
µH max
IC Side
Line Side
Winding
to
Winding
TX
1 : 1.14
RX
TX
RX
TX
RX
TX
0.6
RX
TX
0.7
RX
TX
N/A
RX
TX
RX
S553-6500-D6
1.14CT : 1
1.8
1.8
0.5
0.5
0.7
0.6
35
33
N/A
20
1. Terminated in 129 Ω for RX
SCHEMATIC
S553-6500-D6
IC Side
Line Side
1 : 1.14
1
40
1
TXI+
1
TXO+
39
38
37
36
1
1
TXO-
RXI+
1
1
TXI-
2
1.14CT : 1
3
RXO+
4
1
RXOCT
1
RXI-
1
RXO-
TXI+
5
1 : 1.14
6
35 2 TXO+
2
34
33
32
2
2
TXO-
RXI+
7
2
2
TXI-
RXO+
1.14CT : 1
8
9
2
RXOCT
3
3
RXI-
31
30
2
RXO-
TXI+
10
1 : 1.14
TXO+
11
3
3
3
TXI-
12
3
3
TXO-
RXI+
29
28
1.14CT : 1
RXO+ 13
14
27
26
25
3
RXOCT
3
RXI-
15
16
3
RXO-
TXI+
1 : 1.14
4
TXO+
4
17
18
24
23
4
4
TXO-
RXI+
4
4
TXI-
1.14CT : 1
RXO+
22
19
20
4
4
RXOCT
RXO-
21
4
RXI-
©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01
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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