Varistor products, Maximum clamping voltage for 16mm parts – Littelfuse RA Varistor Series User Manual
Page 5
© 2013 Littelfuse, Inc.
197
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.
RA Series
Repetitive Surge Capability for 16mm Parts
200
100
50
20
10
5
1
2
20
100
1,000
10,000
IMPULSE DURATION
SURGE CURRENT (A)
1
2
10
10
2
10
4
10
5
10
6
V18RA16 - V68RA16
10
3
INDEFINITE
1,000
500
(μs)
5,000
2,000
200
100
50
20
10
5
2
500
20
100
1,000
10,000
IMPULSE DURATION
SURGE CURRENT (A)
1
2
10
10
4
10
5
10
6
V82RA16 - V430RA16
10
3
INDEFINITE
1,000
10
2
(μs)
Maximum Clamping Voltage for 16mm Parts
MAXIMUM PEAK
V
O
L
TS (V)
PEAK AMPERES (A)
10
-2
10
-1
10
0
10
1
10
2
10
3
10
-3
V180RA16
V150RA16
V120RA16
V100RA16
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
4
V82RA16
V270RA16
V360RA16
V220RA8
V200RA8
V240RA16
V430RA16
V390RA16
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
PEAK AMPERES (A)
MAXIMUM PEAK
V
O
L
TS (V)
V68RA16
V56RA16
V47RA16
V39RA16
V33RA16
V27RA16
V22RA16
V18RA16
MAXIMUM CLAMPING VOLTAGE
18 TO 68V
N(DC)
RATING
T
A
= -55
o
C TO 125
o
C
V18RA16 - V68RA16
V82RA16 - V430RA16
V18RA16 - V68RA16
V82RA16 - V430RA16
Figure 8
Figure 10
Figure 9
Figure 11