S553-6500-F2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Module

HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Module
TM02128
• Optimized for Intel LXT3108 eight channel device
• Operating temperature range -40° to +85°C
• Eight transformers in one surface mount package
• Meets IEC 695, 2-2 flammability requirements
• Four transformers have center taps to facilitate line
driver circuitry
• PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
• Meets ITU-T G.703 return loss from -40° to +85° C
from 51 kHz to 3.072 MHz
• Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
• UL 1950 approved: file number E150991
• Interwinding breakdown voltage: 1500 Vrms min
ELECTRICAL SPECIFICATIONS at 25° C
Part Number
S553-6500-F2
Turns Ratio
±2%
IC : Line
TX
RX
1CT : 1
1:1
Primary
Inductance
at 10 kHz
mH min
TX
RX
1.8
1.8
Leakage
Inductance
at 1 MHz
µH max
TX
RX
0.5
0.5
DCR
Ω
max
IC
Line
Capacitance
pF max
TX
RX
TX
RX
0.7
0.7
0.7
0.7
35
SCHEMATIC
S553-6500-F2
Return Loss at 102 kHz
120Ω Application¹
IC Side
1 RXO+ 1
1 RXO- 2
1 TXI+ 3
1 TXICT 4
1 TXI- 5
2 TXI+ 6
2 TXICT 7
2 TXI- 8
2 RXO+ 9
1:1
1CT : 1
1CT : 1
1:1
Line Side
40 1 RXI+
39 1 RXI-
38 1 TXO+
37
36 1 TXO-
35 2 TXO+
34
33 2 TXO-
32 2 RXI-
25° C
dB typ
TX
RX
-40 to +85° C
dB min
TX
RX
31
31
19
19
1. Terminated in 120 Ω on IC side
2 RXO- 10
3 RXO+ 11
31 2 RXI-
1:1
30 3 RXI+
3 RXO- 12
3 TXI+ 13
3 TXICT 14
3 TXI- 15
4 TXI+ 16
4 TXICT 17
4 TXI- 18
4 RXO+ 19
1CT : 1
1CT : 1
1:1
29 3 RXI-
28 3 TXO+
27
26 3 TXO-
25 4 TXO+
24
23 4 TXO-
22 4 RXI+
4 RXO- 20
21 4 RXI-
©2002 Bel Fuse Inc. Specifications subject to change without notice. 02.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
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