2741R2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Magnetics

HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Magnetics
TM00113
• Operates at the T1 rate of 1.544 Mb/s and the E1 rate
of 2.048 Mb/s
• Ideal for T1 repeater applications. Winding (5-1) can
be used as a feedback winding
• Maximum inductance unbalance of each center-
tapped winding is 0.1%
• Operating temperature range: -40° C 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
ELECTRICAL SPECIFICATIONS AT 25° C
Part Number
Turns Ratio
± 2%
(6-8) : (4-2) (6-8) : (5-1)
2741R2
1 CT : 3 CT
1 CT : 1
1. measured at 10 kHz, 0.1 Vac
2. measured at 100 kHz, 0.01 Vac
Secondary
Inductance¹
mH min
(4-2)
8.4
DCR
Ω
max
(6-8) (4-2) (5-1)
Secondary
Leakage
Inductance
µH min
(4-2)¹
Minimum
Interwinding
Breakdown
Voltage
Vrms
1 2.5 0.8
4.2
850
SCHEMATIC
2741R2
6
CT 7
8
4
3 CT
2
5
1
1 CT : 3 CT : 1
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel [phone] • Fax [phone] • www.belfuse.com
T1-33