Littelfuse 505 Series - Manual (Page 2)

© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/09/14
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
0.001
0.01
0.1
1
10
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1000 100 10 1
CURRENT IN AMPERES
TIME IN SECONDS
10
A
12
A
16
A
20A 25A 30A 15
A
Soldering Parameters - Wave Soldering
Dwell Time
0
20
40
60
80
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120
140
160
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280
300
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time Preheat Time
Temperature Rerating Curve Average Time Current Curves
Wave Parameter Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature) (Typical Industry Recommendation)
Temperature Minimum: 100 ° C
Temperature Maximum: 150 ° C
Preheat Time: 60-180 seconds
Solder Pot Temperature: 270 ° C
Solder Dwell Time: 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.
Recommended Process Parameters: