Littelfuse 400 Series - Manual (Page 2)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TE5 ® > Time-Lag > 400 Series
Average Time Current Curves Temperature Rerating Curve
Soldering Parameters - Wave Soldering
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
Te
mperature
(
) - Measured on bottom side of board
Time (Seconds)
Preheat Time Cooling Time
Dwell 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:
0.5A 0.8A 1A 1.25A 1.6A 2A 2.5A 3.15A 5A 4A 6.3A
0.001
0.01
0.1
1
10
100
0 1 10 100 1000
TIME IN SECONDS
CURRENT IN AMPERES
0
20
40
60
80
100
120
140
-40 -20 0 20 40 60 80
AMBIENT TEMPERATURE (°C)
PE
RC
EN
T
O
F
RA
T
IN
G
23°C
TIME LAG DE-RATING CURVE