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

HIGH FREQUENCY MAGNETICS

©2002 Bel Fuse Inc. Specifications subject to change without notice. 04.02

TM02130

page 2

DS3/E3/STS-1 Transformers

MECHANICAL

S554-6500-25

S554-6500-26

S554-6500-30

Tape and Reel Packaging

16 mm wide by 12 mm pitch; 13 inch OD, 4 inch ID

500 modules per reel, maximum

Meets ANSI/EIA 481-2 Carrier Tape Standards - JEDEC SO Package

0.300

[7.62]

max

0.350 [8.89]

0.375 [9.52]

0.285

[7.24]

max

0.018 +0.002

[0.46 +0.05]

0.100 [2.54]

Suggested PCB Pad Layout

0.425

[10.80]

0.070

[1.78]

0.030 [0.76]

0.100

[2.54]

0.008 - 0.012

[0.20 - 0.30]

0.035 [0.89]

4˚

0.200

[5.08]

0.225

[5.73] max

0.003

[0.08]

min

0.004 [0.10]

Dimensions are in inches [millimeters].

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