defining a degree of excellence
ISDNTRANSFORMER
0554-3855-00
TM0019
* Primary Inductance is 19µH
Bel provides a new transformer.
minimum.
* Isolation Voltage - 3000Vrms.
0.11MIN
2.77 MIN
M
E
C
H
A
N
I
C
A
L
S
BOTTOM
VIEW
TOP
VIEW
5
1
inches
Dimensions in (mm)
Primary
Dimensiontolerance+/-0.01(0.25)
unless otherwise stated
SCHEMATIC
Secondary
ELECTRICALS
6
2
4
Primary
Isolation
Coupling
Capacitance
(pF) Max
Leakage
Inductance
(µH) Max
Turns
Ratio
DCR
ohms (max)
Inductance
Part
Number
Voltage
(Vrms)
1 Min
OCL
(µH)Min
Pins (1-5)
19
Pins
(1-5):(2-6)
Pins (1-5)=(2-4)=(4-6)
60
0554-3855-00
0.20
60
3000
1:2CT
Electricals @ 25o C. Primary Inductance is measured at 20 mVrms @ 100 KHz.
Leakage Inductance and Coupling Capacitance is measured at 100KHz, 10mVrms.
Corporate Office
Bel Fuse Inc.
Far East Office
Bel Fuse Ltd.
European Office
Bel Fuse Europe Ltd.
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
8F/8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel: 852-2328-5515
Fax: 852-2352-3706
Preston Technology Management Centre
Marsh Lane, Preston PR1 8UD
Lancashire, U.K.
Tel: 44-1772-556601
Fax: 44-1772-888366
T119
