Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
PICO
®
ll > Very Fast-Acting > 263 Series
Temperature Rerating Curve
Average Time Current Curves
3/8A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
3 1/2A
4A
5A
1
10
CURRENT IN AMPERES
1/16A
100
10
TIME IN SECONDS
1
0.1
0.01
1/8A
Soldering Parameters
Recommended Process Parameters:
Wave Parameter
Preheat:
100
°
C
150
°
C
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
260
°
Lead-Free Recommendation
0.001
0.05 0.1
100
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reflow process.
1/4A
263 Series
208
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/263.html for current information.
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