S553-6500-C7 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Mini-Octal Transformer Module

HIGH FREQUENCY MAGNETICS
T1/E1 Mini-Octal Transformer Module
TM01121
• Optimized for line interface devices listed on next page • Operating temperature range -40° to +85°C
• Eight transformers in a single surface mount package • Meets IEC 695, 2-2 flammability requirements
• Miniature octal 32-pin platform provides 33% area
reduction compared to standard octal package
• PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
• Electrically identical to S553-6500-B7
• Meets ITU-T G.703 return loss from -40° to +85° C
• UL 1950 approved: file number E150991
• 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%
IC : Line
Primary
Inductance
at 10 kHz
mH min
Leakage
Inductance
at 1 MHz
µH max
TX
RX
TX
RX
TX
RX
S553-6500-C7 1 : 1.36
1:1
1.6
1.8
0.6
0.5
1. Terminated in 54 Ω for TX and 120 Ω for RX
DCR
Ω
max
IC Side
Line Side
TX
RX
TX
RX
Capacitance
pF max
Return Loss at 102 kHz
120Ω Application¹
Winding
to
Winding
25° C
dB typ
TX RX
-40 to +85° C
dB min
TX
RX
0.6
0.6
0.7
0.6
35
21
30
18
19
SCHEMATIC
IC Side
1 TXI+ 1
1 TXI- 2
1 RXO+ 3
1 RXO- 4
2 TXI+ 5
S553-6500-C7
1 : 1.36
1:1
1 : 1.36
Line Side
32 1 TXO+
31 1 TXO-
30 1 RXI+
29 1 RXI-
28 2 TXO+
2 TXI- 6
2 RXO+ 7
2 RXO- 8
3 TXI+ 9
1:1
1 : 1.36
27 2 TXO-
26 2 RXI+
25 2 RXI-
24 3 TXO+
3 TXI- 10
3 RXO+ 11
3 RXO- 12
4 TXI+ 13
1:1
1 : 1.36
23 3 TXO-
22 3 RXI+
21 3 RXI-
20 4 TXO+
4 TXI- 14
1:1
4 RXO+ 15
19 4 TXO-
18 4 RXI+
4 RXO- 16
17 4 RXI-
©2001 Bel Fuse Inc. Specifications subject to change without notice. 12.01
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
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