defining a degree of excellence
Corporate Office
Bel Fuse Inc.
198 Van Vorst Street, Jersey City, NJ 07302-4496
Tel: 201-432-0463
Fax: 201-432-9542
E-Mail: BelFuse@belfuse.com
Internet: http://www.belfuse.com
Far East Office
Bel Fuse Ltd.
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
European Office
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
TRANSFORMER
0557-0450-00
MECHANICALS
0.800
(20.32)
0.165 Nom
(4.20) Nom
0.450 Max
(11.5) Max
0.920
(23.36)Max
0.915
(23.24)Max
1.05Max
(26.67)Max
0.150
(3.81) Typ
10
6
1
5
0.042(1.07) Typ
Phenolic add to be inserted
and glued flush with
top and bottom of the transformer
core halves.
Dimension tolerance +/- 0.01(0.25)
unless otherwise stated.
Dimensions are in inches (mm).
Part
Number
Turns
Ratio
(+/- 2%)
Leakage Inductance is measured with Pins (4-2) tied.
Inductance, Leakage Inductance, and Coupling Capacitance tested at 10KHz, 0.1V.
ELECTRICALS
@ 25
O
C
0557-0450-00
Inductance
(mH)
+/- 3%
Leakage
Inductance
(
H)
Max
Coupling
Capacitance
(pF) Max
Pins
(6-10)
DCR
(
) Max
Pins
(4-2)
5.2
3.0
40
200
2.81
1 : 1.8
2000
Hipot
(Vrms)
6
8
10
4
2
3
1 : 1.8
Sec : Pri
SCHEMATIC
Bel designs a transformer for multiple
applications with a turns ratio of 1:1.8.
* 2000 Vrms Isolation Voltage
TM0024
T124
PDF 
ZIP