S553-6500-F6 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Octal Transformer Module

HIGH FREQUENCY MAGNETICS
T1/E1 Octal Transformer Module
• Optimized for PMC Sierra PM4318
• Operating temperature range -40° to +85°C
TM02136
• Eight transformers and four common mode chokes in
one surface mount package
• Interchangeable with S553-6500-D4 which has no
common mode chokes
• Choke performance optimized for T1 and E1
applications (see table)
• Meets ITU-T G.703 return loss from -40° to +85° C
from 51 kHz to 3.072 MHz
• 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
Leakage
Inductance
at 1 MHz
DCR
Ω
max
Capacitance
C w/w
mH min
µH max
IC Side Line Side
TX RX TX RX TX RX TX RX
pF max
Return Loss at 102 kHz
120Ω Application¹
25° C
dB typ
-40 to +85° C
dB min
TX RX TX RX
S553-6500-F6 1 : 2 1 : 2 1.5 1.5 0.3 0.3 0.7 0.7 2.0 1.3
35
20
21 18
18
Common mode attenuation for transmit interface is centered at 24th harmonic of T1 and E1 clock frequencies:
S553-6500-F6
41 dB typical at 37 MHz (T1 harmonic)
41 dB typical at 49 MHz (E1 harmonic)
1. Terminated in 36 Ω for TX and 27 Ω for RX
SCHEMATIC
S553-6500-F6
IC Side
1 TXI+ 1
2
1 TXI- 3
1 RXO+ 4
5
1 RXO- 6
2 TXI+ 7
1 : 2CT
1 : 2CT
1:2
Line Side
40 TXO+
39 TXOCT
38 TXO-
37 RXI+
36 RXICT
35 RXI-
34 TXO+
2 TXI- 8
2 RXO+ 9
1:2
33 TXO-
32 RXI+
2 RXO- 10
3 TXI+ 11
1:2
31 RXI-
30 TXO+
3 TXI- 12
3 RXO+ 13
1:2
29 TXO-
28 RXI+
3 RXO- 14
4 TXI+ 15
16
4 TXI- 17
4 RXO+ 18
19
4 RXO- 20
1 : 2CT
1 : 2CT
27 RXI-
26 TXO+
25 TXOCT
24 TXO-
23 RXI+
22 RXICT
21 RXI-
©2002 Bel Fuse Inc. Specifications subject to change without notice. 06.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
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