Varistor products, Repetitive surge capability for 8mm parts, Maximum clamping voltage for 8mm parts – Littelfuse RA Varistor Series User Manual
Page 4
© 2013 Littelfuse, Inc.
196
Revised: May 8, 2013
Varistor Products
RA Varistor Series
Low Profile / Application Specific Varistors > RA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ra.html for current information.
Repetitive Surge Capability for 8mm Parts
20
100
1,000
10,000
IMPULSE DURATION (μs)
SURGE CURRENT (A)
1
10
10
2
V18RA8 - V68RA8
2
10
3
INDEFINITE
500
200
100
50
20
10
2
1
0.5
0.2
10
4
10
5
10
6
5
20
100
1,000
10,000
IMPULSE DURATION
SURGE CURRENT (A)
1
10
10
2
V8RA8 - V12RA8
2
10
3
INDEFINITE
10
4
10
5
10
6
200
100
50
20
10
5
2
1
0.5
0.2
(μs)
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
MAXIMUM PEAK
V
O
L
TS (V)
V68RA8
V56RA8
V47RA8
V39RA8
V33RA8
V27RA8
V22RA8
V18RA8
V12RA8
V8RA8
MAXIMUM CLAMPING VOLTAGE
8 T
O
68V
N(DC)
RATING
T
A
= -55
o
C TO 125
o
C
Maximum Clamping Voltage for 8mm Parts
()
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
V180RA8
V150RA8
V120RA8
V100RA8
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 5 x 8mm
82 TO 430V
N(DC)
RATING
T
A
= -55
o
C TO 125
o
C
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10
V82RA8
V270RA8
V360RA8
V220RA8
V200RA8
V240RA8
V430RA8
V390RA8
2,000
1,000
200
100
50
20
10
5
1
2
500
20
100
1,000
10,000
IMPULSE DURATION (μs)
SURGE CURRENT (A)
1
2
10
10
2
10
4
10
5
10
6
V82RA8 - V430RA8
10
3
INDEFINITE
V8RA8 - V68RA8
V82RA8 - V430RA8
V8RA8 - V12RA8
V18RA8 - V68RA8
V82RA8 - V430RA8
Figure 3
Figure 5
Figure 4
Figure 6
Figure 7