Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISDN MAGNETICS
2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00
TM00209
T2-21
U
PO
Interface Transformer
Primary
Secondary
1
2
5
7
6
8
CT
3
SCHEMATIC
Qualified per Bellcore TR-TSY-000357-1
ELECTRICAL SPECIFICATIONS at 25 C
Minimum interwinding breakdown voltage of 1500 Vrms
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2771J
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
ISDN MAGNETICS
2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00
TM00209
T2-22
U
PO
Interface Transformer
MECHANICAL
5
6
7
8
4
2
3
1
0.120 [3.05]
typ
0.255
[6.48]
0.045 [1.14]
typ
Component
Center
0.008 [0.203]
2 places
4
1
5
8
Terminal 1
Identifier
0.030
[0.76]
0.590 [15.00] max
0.495
[12.57]
max
0.430
[10.92]
max
0.160 [4.06]
ref
0.120 [3.05]
ref
0.395
[10.03]
max
0.024 [0.61]
0.100 [2.54]
typ
Note: Unless otherwise specified, dimensions
are nominal and in inches [millimeters].
Suggested PCB Pad Layout
2771J
PDF 
ZIP