Littelfuse 201P Series - Manual (Page 2)

© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/21/14
5×20mm > Medium Acting > 201P Series
Cartridge and Axial Lead Fuses
Average Time Current Curves
0.0
01
0.0
1
0.1
1
10
100
1,0
00
10,0
00
100
,00
0
Time (sec.)
IIIII
Fault Fault Fault Fault Fault
/ I / I / I / I / I
Rated Rated Rated Rated Rated
2 3 4 5 6 7 8 9 0 1 1 15 1.5
DIN 41571, T.2 (32mA ... 1.25A)
I-t Characteristics
(Min-Max Limit)
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 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: