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0559-5683-00 Datasheet, PDF (1/1 Pages) Bel Fuse Inc. – ISDN U INTERFACE TRANSFORMERS
defining a degree of excellence
ISDN “U” INTERFACE TRANSFORMERS
0559-5683-00
TM0047
Bel introduces a new ISDN “U” Interface
transformer.
MECHANICALS
1.07(27.18)
Max
0.90(22.86)
Ref
0.10(2.52)
Min
* Dielectric Strength - 1000 Vrms measured
Primary to Secondary.
0.47(11.94)
Max
PLACEMENT
Notch locates
terminal #1
bel Date Code
10
9
0.920(23.37)
8
Max
Part Number
7
True Postion Grid
(P.C. Pattern, Component Side)
Dimensions in inches (mm)
Dimension tolerance +/- 0.015(0.25)
unless otherwise stated
6
Terminal
numbers are for
reference only
0.80(20.32)
0.060" Typ
SCHEMATIC
1
9
2
3
4
5
0.020" x 0.040"
Typical
0.150"
Typ
Primary 3
6
10
Secondary
ELECTRICALS @ 25oC
5
7
Part
Number
0559-5683-00
Turns
Ratio
(+/- 1%)
Primary to
Secondary
1:1.5
Secondary
Inductance
(mH) Min-Max
Pins (7-9) tie
Pins (6 to 10)
77-86
Leakage
Inductance
(µH) Max
Pins (4-7 to 6 to 10)
Pins (1-5) Shorted
100-172
DCR
(Ω) +/- 10%
Pins Pins
(1-5) (7-9)
19.8 15.7
DC in
Primary
(mA) Max
30
Primary Inductance is measured at 100mV @ 1kHz, 30mADC. Leakage Inductance is measured at 100kHz, 0.01VAC.
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
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