Varistor Products
Low Profile / Application Specific Varistors > RA Series
RA Series Ratings & Specifications
Maximum Rating (125°C)
Continuous Transient
Specifications (25°C)
Max Clamping
Varistor Voltage at 1mA
Typical
Peak
Current
Volt VC
Brand
(mm)
Part
Number
Energy
(10/1000µs)
DCTest Current
Capacitance
VRMS
VDC
(8/20µs)
(8/20µs)
VM(AC)
(V)
VM(DC)
(V)
WTM
(J)
ITM
Min
(V)
VN(DC)
(V)
Max
(V)
VC
Ip
f = 1MHz
(pF)
(A)
(V)
(A)
† RA8 Series
V8RA8
8R
12R
18R
4
6
10
5.5
8
14
18
(Note 3)
22
26
31
38
45
56
66
0.4
0.6
0.8
10
(Note 2)
1.0
1.2
1.5
1.8
2.3
3.0
4.0
150
150
250
6
9
14.4
8.2
12
18
11.2
16
21.6
22
34
42
5
5
5
3000
2500
2000
V12RA8
V18RA8
V22RA8
22R
14
250
18.7
23
29.5
35
42
50
61
74
90
108
135
162
184
198
212
247
324
354
389
22
27
33
39
47
56
26
47
5
1600
V27RA8
V33RA8
V39RA8
V47RA8
V56RA8
27R
33R
39R
47R
56R
17
20
25
30
35
40
50
60
75
250
250
250
250
250
31.1
36.5
43
52
62
57
68
79
5
5
5
5
5
1300
1100
900
800
700
600
500
400
300
250
200
180
160
150
130
100
90
92
107
127
135
165
205
250
295
340
360
395
455
595
650
710
V68RA8
V82RA8
68R
82R
250
68
82
75
91
5
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
10
10
10
10
10
10
10
10
10
10
10
10
V100RA8
V120RA8
V150RA8
V180RA8
V200RA8
† V220RA8
† V240RA8
† V270RA8
† V360RA8
† V390RA8
† V430RA8
100R
120R
150R
180R
200R
220R
240R
270R
360R
390R
430R
81
5.0
6.0
8.0
100
120
150
180
200
220
240
270
360
390
430
110
132
165
198
228
242
268
303
396
429
473
102
127
153
175
180
200
225
300
330
369
95
115
130
140
150
175
230
250
275
10.0
11.0
12.0
13.0
15.0
20.0
21.0
23.0
80
† RA16 Series
V18RA16
18R16
22R16
27R16
33R16
39R16
47R16
56R16
68R16
82R16
100R16
120R16
150R16
180R16
200R16
220R16
240R16
270R16
360R16
390R16
430R16
10
14
3.5
1000
1000
1000
1000
1000
1000
1000
1000
4500
4500
4500
4500
4500
4500
4500
4500
4500
4500
4500
4500
14.4
18.7
23
29.5
35
42
50
61
74
18
22
27
33
39
47
56
68
82
100
120
150
180
200
220
240
270
360
390
430
21.6
26
31.1
36.5
43
52
62
75
91
110
132
165
198
228
242
268
303
396
429
473
39
43
53
64
76
10
10
10
10
10
10
10
10
50
50
50
50
50
50
50
50
50
50
50
50
11000
9000
7000
6000
5000
4500
3900
3300
2500
2000
1700
1400
1100
1000
900
V22RA16
V27RA16
V33RA16
V39RA16
V47RA16
V56RA16
V68RA16
V82RA16
14 18 (Note 3) 50 (Note 2)
17
20
25
30
35
40
50
60
22
26
31
38
45
56
66
81
102
127
153
175
180
200
225
300
330
369
5.0
6.0
7. 2
8.8
89
10.0
13.0
15.0
20.0
22.0
30.0
35.0
38.0
42.0
45.0
55.0
70.0
72.0
75.0
103
123
145
175
205
255
300
340
360
395
455
595
650
710
V100RA16
V120RA16
V150RA16
V180RA16
V200RA16
† V220RA16
† V240RA16
† V270RA16
† V360RA16
† V390RA16
† V430RA16
90
75
95
108
135
162
184
198
212
247
324
354
389
115
130
140
150
175
230
250
275
800
700
550
500
450
194
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ra.html for current information.
RAVaristor Series
Revised: December 26, 2013