2745AL2 Datasheet, PDF (1/2 Pages) Bel Fuse Inc. – HIGH FREQUENCY MAGNETICS T1/E1 Through Hole Hardened Transformer

HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Hardened Transformer
TM00127
• Designed to operate at the DS1 rate of 1.544 Mbits/s
• Winding (4-6) can handle a 6 A current surge for 1
second with no damage
• 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
Nominal
Turns Ratio
± 2%
(3-1):(4-6)
2745AL2
1 : 1.14 CT
1. measured at 10 kHz, 0.1 Vac
Inductance¹
mH Min
(3-1)
1.25
DCR
Ω
max
(3-1) (4-6)
0.85 0.40
Leakage
Inductance
µH max
Interwinding
Capacitance
pF max
(3-1)
(3-1) to (4-6)
1.8
14
Minimum
Interwinding
Breakdown
Voltage
Vrms
1000
SCHEMATIC
2745AL2
3
4
5 CT
1
6
1 : 1.14 CT
©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
T1-61