Axial lead & cartridge fuses, Time lag > 389 series, Soldering parameters - wave soldering – Littelfuse 389 Series User Manual
Page 2: Wave parameter lead-free recommendation preheat, Temperature minimum: 100, Temperature maximum: 150, Maximum solder dwell time: 2–5 seconds
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
TE5
®
>Time Lag > 389 Series
Average Time Current Curves
Temperature Rerating Curve
CURRENT IN AMPERES
TIME IN SECONDS
0.001
0.010
0.100
1
10
100
1000
10000
100000
0.010
0.100
1
10
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
10
0
11
0
12
0
13
0
14
0
15
0
16
0
17
0
18
0
19
0
20
0
21
0
22
0
23
0
24
0
Time (Seconds)
Temperature (°C) - Measured on bottom side
of boar
d
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: