Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

MODEM MAGNETICS

©2000 Bel Fuse Inc. Specifications subject to change without notice. 05.00

TM00409

T4-19

V.90 Modem Transformer

SCHEMATIC

TYPICAL SPICE TRANSMISSION MODEL

ELECTRICAL SPECIFICATIONS at 25° C

1

3

6

4

Primary

Secondary

120

6.2mH

120

6

4

35 pF

40H

35 pF

3

1

120k

•

Provides isolation and balance while minimizing signal

distortion and insertion loss in high speed modem

applications

•

Designed to match a 600

Ω line to a 360Ω load

•

Qualified per Bellcore TR-TSY-000357-1

•

Designed to provide supplementary insulation at a

working voltage of 250V

•

Approved by UL, CSA and BABT

•

Minimum interwinding breakdown voltage of 1500 Vrms

2811B

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