Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
PICO
®
ll > Very Fast Acting > 316 Series
Temperature Rerating Curve
Average Time Current Curves
140
100
PERCENT OF RATING*
120
100
80
60
TIME IN SECONDS
B
B
10
1
40
20
-60°C -40°C -20°C
-76°F -40°F -4°F
0°C
32°F
20°C 40°C
68°F 104°F
60°C 80°C 100°C 120°C
140°F 176°F 212°F 248°F
0.1
AMBIENT TEMPERATURE
0.01
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.001
Soldering Parameters
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
0.1
3.5 A
5.0
A
0.5 A
1.0 A
2.0 A
1
10
CURRENT IN AMPERES
100
1000
Lead-Free Recommendation
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
10 Seconds, Maximum
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
316 Series
228
Revised: January 7, 2009
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/316.html for current information.
LITTELFUSE [ LITTELFUSE ]
