POLYFUSE
®
Resettable PTCs
Axial Leaded Strap
Temperature Rerating
Ambient Operation Temperature
-40°C
Part Number
12VL170
12VL175L
12VL175XL
12VL230
3.5
3.5
3.5
5.0
2.9
2.9
2.9
4.2
2.4
2.4
2.4
3.4
-20°C
0°C
25°C
1.70
1.75
1.75
2.30
40°C
1.2
1.3
1.3
1.7
50°C
1.0
1.0
1.0
1.3
60°C
0.7
0.8
0.8
0.9
70°C
0.3
0.3
0.3
0.4
Hold Current (A)
Average Time Current Curves
Temperature Rerating Curve
220%
190%
170%
150%
Percentage of Rated Current
130%
110%
90%
70%
50%
30%
10%
-40 -30 -20
-10
0
10
20 30
40
Temperature (°C)
50
60
70
80
A:
12VL230
B:
12VL175L, 12VL175XL
C:
VLD170F
The average time current curves and temperature rerating curve performance is affected
by a number or variables, and these curves provided as guidance only. Customer must
verify the performance in their application.
VL Series
Specifications are subject to change without notice.
Electronics Designers Guide
www.littelfuse.com
©2006 Littelfuse
LITTELFUSE [ LITTELFUSE ]
