Introduction to Circuit Protection

Introduction to Circuit Protection

Transientology

120

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Surface Mount Fuses

203 Series

Please refer to www.littelfuse.com/series/203.html for current information.

Average Time Current Curves

100

10

1

0.01

0.001

1000

100

10

1

0.1

0.05

CURRENT IN AMPERES

.1

Soldering Parameters

Temperature Rerating Curve

Note:

1. Derating depicted in this curve is in addition to the standard derating of 25% for

continuous operation.

Wave Soldering

260°C, 3 seconds max.

Reflow Soldering

215°C, 30 seconds max.