Introduction to Circuit Protection

Introduction to Circuit Protection

Transientology

212

© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Axial Lead & Cartridge Fuses

471 Series

Please refer to www.littelfuse.com/series/471.html for current information.

Average Time Current Curves

Temperature Rerating Curve

Soldering Parameters

Wave Parameter

Lead-Free Recommendation

Preheat:

100

°

150

°

Solder PotTemperature:

260

°

Solder DwellTime:

Recommended Hand-Solder Parameters:

Note: These devices are not recommended for IR or

Convection Reflow process.

Recommended Process Parameters:

100

10

1

0.1

0.01

0.001

0.1

1

10

100

1000

CURRENT IN AMPERES