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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Radial Lead Fuses
TR5
®
> Time-Lag Fuse > 383 Series
-40°C-20°C 0°C20°C40°C60°C80°C
AMBIENT TEMPERATURE
PERCENT OF RATING
23°C
140
120
100
80
60
40
20
0
0.001
0.01
0.1
1
10
100
1000
10000
100000
CURRENT IN AMPERES
TIME IN SECONDS
1A
1.25A
1.6A
2A
2.5A
3.15A
4A
5A
10A
6.3A
8A
0.11 10 10
01
000
Average Time Current Curves
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:
Temperature Re-rating Curve
0
20
40
60
80
100
120
140
-40-20 020406
08
0
AMBIENTTEMPERATURE (°C)
PERCENT OF RATING
23°C
Note:
1. Rerating depicted in this curve is in addition to the standard derating of 25%
for continuous operation.