CORPORATE

Bel Fuse Inc.

206 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

10BASE-T LAN MAGNETICS

©2001 Bel Fuse Inc. Specifications subject to change without notice. 09.01

LM00501

Quad Transformer Modules

MECHANICAL

S553-2940-01

S553-2940-02

S553-2940-03

S553-2940-04

S553-2940-08

S553-2940-09

S553-5999-38

S553-5999-54

0.480

[12.19]

0.070

[1.78]

ref

1.100

[27.94]

max

0.050 [1.27]

0.950

[24.13]

0.212

[5.38]

ref

0.225

[5.72]

max

0.035

[0.89]

0.005

[0.13]

min

0˚- 5˚

0.020 ±0.002

[0.51 ±0.05]

R 0.005

[0.13]

R 0.015

[0.39]

0.070

[1.78]

0.050 [1.27]

0.030 [0.77]

0.645

[16.38]

Suggested PCB Pad Layout

Dimensions are in inches [millimeters].

Standard dimension tolerance is ±0.005 [0.13] unless otherwise noted.

0.600

[15.24]

0.004 [0.10]

L5-8