
© 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
001001011.10
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
1.25A
1.6A
2A
2.5A
3.15A
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
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
(DependsonFluxActivationTemperature)
(TypicalIndustryRecommendation)
TemperatureMinimum:
100
° C
TemperatureMaximum:
150
° C
PreheatTime: 60-180 seconds
Solder Pot Temperature:
260
° C Maximum
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
SolderIronTemperature:350°C+/-5°C
HeatingTime:5secondsmax.
Note: These devices are not recommended for IR or
Convection Reflow process.
Recommended Process Parameters:
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