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

HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole Transformer
TM00120
• Operates at 1.544 Mbits/s as a line interface
transformer
• Provides high step-up ratio
• 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%
(4-6):(3-1)
2745AH
1 : 3.76 CT
1. measured at 10 kHz, 0.1 Vac
Open-circuit
Inductance¹
µH Min
(4-6)
430
DCR
Ω
max
(4-6)
0.35
(3-1)
1.45
Leakage
Inductance
µH max
(4-6)
0.64
Interwinding
Capacitance
pF max
(4-6) to (3-1)
45
Minimum
Interwinding
Breakdown
Voltage
Vrms
850
SCHEMATIC
2745AH
4
3
2 CT
6
1
1 : 3.76 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
T1-45