BEL 2745R2

HIGH FREQUENCY MAGNETICS
Specialty Through Hole Transformer
TM00106
•
Operates as pulse transformer
•
Operating temperature range: -40° C to +85° C
•
Operates as analog transformer
•
Meets IEC 695, 2-2 flammability requirements
•
Can be configured as 1 : 1 or 1 : 2 CT isolation transformer
•
PWB Process Capability: standard printed wiring board
assembly techniques, total-immersion cleaning
•
Can be configured as 1 : 3 auto transformer
•
Reliability testing: Shock, vibration, temperature cycling,
temperature - humidity - bias
ELECTRICAL SPECIFICATIONS AT 25° C
Inductance
Turns Ratio
± 2%
Part
Number
Leakage
Inductance
DCR
Ω
max
10 kHz, 0.045 Vac
mH min
100 kHz
µH min
Minimum
Interwinding
Breakdown
Voltage
(1-6) : (2-5) : (3-4)
(1-6)
(1-6)
(2-5)
(3-4)
(2-5)1
Vrms
1:1:1
1.51
2.6
2.6
2.6
1
100
2745R2
1. (1-6) & (3-4) shorted
SCHEMATIC
2745R2
6
5
1
2
4
3
1:1:1
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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HIGH FREQUENCY MAGNETICS
Specialty Through Hole Transformer
TM00106
MECHANICAL
2745R2
0.56 (14.22)
MAX
0.46 (11.68)
MAX
TERMINAL 1
IDENTIFIER
0.35 (8.89)
MAX
0.023 (0.584) SQ TYP
(PHOSPHOR BRONZE,
SOLDER COATED)
0.150
(3.81)
0.110 (2.79)
±0.010 (0.25)
1
2
3
6
5
4
0.250
(6.35)
Unless otherwise specified, dimensions are nominal and in inches (millimeters).
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
CORPORATE
FAR EAST
EUROPE
Bel Fuse Inc.
198 Van Vorst Street
Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
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
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
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