Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
TM00116
T1-37
ELECTRICAL SPECIFICATIONS AT 25° C
SCHEMATIC
• Designed to operate at the rate of 1.544 Mbits/s as a
line interface pulse transfomer
• Only difference between the 2745C and 2745C2 is
the terminal length
HIGH FREQUENCY MAGNETICS
T1/E1 Through Hole T ransformers
2745C
2745C2
3
11 : 1.37 CT
5CT
4
6
rebmuNtraP
lanimoN oitaRsnruT %2±
ecnatcudnI
1
niMHµ
RCDΩΩ
Ω
ΩΩxam
egakaeL ecnatcudnI xamHµ
gnidniwretnI ecnaticapaC xamFp
muminiM gnidniwretnI nwodkaerB egatloV smrV
)6-4(:)1-3( )1-3( )1-3( )6-4( )1-3( )6-4(ot)1-3(
C5472TC73.1:10860.14.12.158058
2C5472TC73.1:10860.14.12.158058
caV1.0,zHk01taderusaem.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