Axial Lead & Cartridge Fuses
3AG > Time Lag > 313/315 Series
Temperature Rerating Curve
Average Time Current Curves
1000
A
B
B
A
100
TIME IN SECONDS
10
1
A - For 313/315 Series, from 10mA to 150mA
B - For all other ampere ratings of 313/315 series
0.1
0.01
0.05 0.1
1/16A
1/10A
15/100
.175A
1/4A
3/8A
1/2A
3/4A
1A
1 1/2A
2A
3A
4A
5A
7A
8A
10A
12A
15A
20A
25A
30A
1
10
CURRENT IN AMPERES
100
1000
Soldering Parameters - Wave Soldering
300
Temperature
(°C) - Measured on bottom side of board
260
240
220
200
180
160
140
120
100
80
60
40
20
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
10
20
30
40
50
60
70
80
90
0
0
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
Lead-Free Recommendation
(Typical Industry Recommendation)
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
2-5 seconds
Time
(Seconds)
Preheat
Time
Dwell
Time
Cooling
Time
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.
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/313.html
or /315.html for current information.
319
313/315 Series
313/315 Series
280
Recommended Process Parameters:
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