Littelfuse 216SP Series - Manual (Page 2)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 216SP Series
Average Time Current Curves
Soldering Parameters - Wave Soldering
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
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
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: 280 ° C Maximum
Solder Dwell Time: 2-5 seconds
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:
0.001
0.01
0.1
1
10
100
1000
10000
0.01 0.1 1 10 100
Time (seconds)
Amps
1.6A 1A 2A 2.5A 3.15A 4A 5A 6.3A 8A 10A
Temperature Rerating Curve
For the pigtailed fuse, please follow the recommendations
below for axial lead forming and mounting into PCB:
Lead forming:
The distance C between cap flat surface and axial lead shall
be greater than 1.0 mm.
PCB mounting:
According to the standard of IPC-A-610, the distance
between PCB and fuse cap is recommended to be a
minimum of 1.5 mm.
A
B
C
C
A
B
Different values of A and B available, please contact the Littelfuse sales representative in your region: