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
TM00117
T1-39
2745G
2745G3
ELECTRICAL SPECIFICATIONS AT 25 C
SCHEMATIC
Operates as a line-interface pulse transformer in
DS1 and CEPT applications
Designed for automatic machine placement into
printed wiring boards
Only difference between the 2745G and 2745G3 is
the terminal length
HIGH FREQUENCY MAGNECTICS
T1/E1 Through Hole Transformers
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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
CORPORATE
Bel Fuse Inc.
198 Van Vorst Street
Jersey City, NJ 07302
Tel
201-432-0463
Fax
201-432-9542
www.belfuse.com
FAR EAST
Bel Fuse Ltd.
8F / 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel
852-2328-5515
Fax 852-2352-3706
www.belfuse.com
EUROPE
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel
44-1772-556601
Fax 44-1772-888366
www.belfuse.com
2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
TM00117
T1-40
2745G
MECHANICAL
HIGH FREQUENCY MAGNECTICS
T1/E1 Through Hole Transformers
2745G3
0.56 (14.22)
MAX
0.46 (11.68)
MAX
TERMINAL 1
IDENTIFIER
0.023 (0.584) SQ TYP
(PHOSPHOR BRONZE,
SOLDER COATED)
0.35 (8.89)
MAX
0.110 (2.79)
0.010 (0.25)
0.150
(3.81)
0.250
(6.35)
1
2
3
6
5
4
0.56 (14.22)
MAX
0.46 (11.68)
MAX
TERMINAL 1
IDENTIFIER
0.023 (0.584) SQ TYP
(PHOSPHOR BRONZE,
SOLDER COATED)
0.35 (8.89)
MAX
0.155 (3.94)
0.150
(3.81)
0.250
(6.35)
1
2
3
6
5
4
Unless otherwise specified, dimensions are nominal and in inches (millimeters).
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