English
Language : 

S555-6400-26 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS
HIGH FREQUENCY MAGNETICS
T1/E1/J1 Mini-Octal Choke Module
TM02131
• Optimized for T1/E1/J1 line interface applications
• Eight 2-line chokes in one surface mount package
• Miniature octal package provides a 33% area
reduction compared with standard octal package
• Common mode attenuation peak centered at 24th
harmonic of T1 and E1 clock frequencies
• Maximum continuous AC current rating: 110 mA
• Companion to all Bel T1/E1/J1 octal transformer
modules
• 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
Choke
Configuration
Inductance
at 100 kHz
Lines/Choke Chokes/Pkg
25° C
µH min
-40° C
µH min
S555-6400-26
2
8
75
47
DCR
Ω
max
0.45
1. Referenced to 50 Ω
SCHEMATIC
S555-6400-26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Common Mode Attenuation1
dB typ
1
10 30
50 100 300 500
MHz MHz MHz MHz MHz MHz MHz
26
41
45
46
42
32
24
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
©2002 Bel Fuse Inc. Specifications subject to change without notice. 04.02
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
page 1