
© 2013 Littelfuse, Inc.
109
Revised: May 8, 2013
Varistor Products
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov25s.html for current information.
UltraMOV™ 25S Varistor Series
Radial Lead Varistors > UltraMOV
TM
25S Series
UltraMOV
™
25S Series
100
1000
10000
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000 10000 100000
Maximum Peak Voltage (V)
Peak C u rren t (A)
115
130
140
150
175 230
250
275
300
320
385
420
440
460
510
550
625
750
V-I Limit Curves
Pulse Rating Curves
1
10
100
1000
10000
100000
10 100 1000 10000
Peak Current (A)
Impulse Duration (μs)
1
15
10
2
10
10
3
4
10
5
10
6
2
∞
Figure 3
Figure 4
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