Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISDN MAGNETICS
1999 Bel Fuse Inc. Specifications subject to change without notice.
TM99AA
Single S Interface Transformer
SCHEMATIC
ELECTRICALS at 25 C
1
3
2
4
CT
Primary
Secondary
8
6
Approved for use with Lucent Technologies chip sets for
S/T interface European ISDN applications
UL, TUV and VDE approved
Meets requirements for pulse template and impedance
template according to ITU-T (CCITT I.430)
Minimum interwinding breakdown voltage of 3000 Vrms
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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 F23, Preston
Lancashire, PR1 8UD, U.K.
Tel
44-1772-556601
Fax 44-1772-888366
www.belfuse.com
ISDN MAGNETICS
1999 Bel Fuse Inc. Specifications subject to change without notice.
TM99AA
Single S Interface Transformer
MECHANICAL
5
6
7
8
4
3
2
1
0.680
[17.27]
max
Terminal 1 ID
1.150 [29.21] max
0.800 [20.32]
0.110 0.010
[2.79 0.25]
0.540 [13.72]
max
0.150 [3.81]
8 Terminals
0.023 [0.58]
Square
Note: Unless otherwise specified, dimensions
are nominal and in inches [millimeters].
2776A
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