Littelfuse 219XA Series - Manual (Page 3)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/26/13
Axial Lead & Cartridge Fuses
5×20 mm > Time-Lag > 219XA Series
Average Time Current Curves
0.001
0.01
0 0 0 1 0 0 1 0 1 1 .1 0
0.1
1
10
100
1000
10000
TIME IN SECONDS
CURRENT IN AMPERES
0.125A 0.160A 0.200A 0.250A 0.315A 0.400A 0.500A 0.630A 0.800A 1A 1.25
A
1.6
A
2A 2.5A 3.15
A
4A 5A 6.3A
Temperature Rerating Curve
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: 260 ° 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: