Littelfuse 875 Series - Manual (Page 2)

Revised: February 3, 2009
Introduction to Circuit Protection Introduction to Circuit Protection
Transientology
236
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Axial Lead & Cartridge Fuses
3.6 X 10 mm > Slo-Blo ® > 875 Series
875 Series
Please refer to www.littelfuse.com/series/875.html for current information.
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 5
0
60 70 80 90 100 110 120 130 140 1 5
0
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:
%FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
5FNQFSBUVSF.JOJNVN 100 ° $
5FNQFSBUVSF.BYJNVN 150 ° $
1SFIFBU5JNF 60-180 seconds
Solder Pot Temperature: 260 ° $.BYJNVN
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
4PMEFS*SPO5FNQFSBUVSF¡$¡$
)FBUJOH5JNFTFDPOETNBY
Note: These devices are not recommended for IR or
Convection Reflow process.
Recommended Process Parameters:
0.001
0.01
0.1
1
10
100
1000
0 0 0 1 0 0 1 0 1 1 1 . 0
CURRENT IN AMPS
TI
M
E
IN
S
EC
O
N
D
S
7A 5A 2.5A 2A 1A .6
00A
.5
00
A
.3
00A
.1
00
A
10A 3A 6A .12
5A
.2
50
A
8A 4A .400A .200
A
.800A 1.5A 1.6A