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V18MA1A_09 Datasheet, PDF (2/5 Pages) Littelfuse – Axial Lead / Application Specific Varistors
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Varistor Products
Axial Lead / Application Specific Varistors > MA Series
MA Series Ratings & Specifications
Part
Number
V18MA1A
V18MA1A
V18MA1A
V22MA1A
V22MA1B
V22MA1S
V27MA1A
V27MA1B
V27MA1S
V33MA1A
V33MA1B
V33MA1S
V39MA2A
V39MA2B
V39MA2S
V47MA2A
V47MA2B
V47MA2S
V56MA2A
V56MA2B
V56MA2S
V68MA3A
V68MA3B
V68MA3S
V82MA3A
V82MA3B
V82MA3S
V100MA4A
V100MA4B
V100MA4S
V120MA1A
V120MA2B
V120MA2S
V150MA1A
V150MA2B
V180MA1A
V180MA3B
V220MA2A
V220MA4B
V270MA2A
V270MA4B
V330MA2A
V330MA5B
V390MA3A
V390MA6B
V430MA3A
V430MA7B
Brand
(mm)
18A
18B
18C
22A
22B
22S
27A
27B
27S
33A
33B
33S
39A
39B
39S
47A
47B
47S
56A
56B
56S
68A
68B
68S
82A
82B
82S
100
101
102
120
121
122
150
151
180
181
220
221
270
271
330
331
390
391
430
431
Maximum Rating (85°C)
Continuous
Transient
VRMS
VDC
Energy
(10/1000μs)
Peak
Current
(8/20μs)
VM(AC)
VM(DC)
WTM
ITM
(V)
(V)
(J)
(A)
9
13
0.06
40
10
14
0.07
40
10
14
0.06
40
10
15
0.09
40
14
18
0.10
40
14
18
0.09
40
13
19
0.10
40
17
22
0.11
40
17
22
0.10
40
18
23
0.13
40
20
26
0.15
40
20
26
0.14
40
22
28
0.16
40
25
31
0.18
40
25
31
0.17
40
27
34
0.19
40
30
38
0.21
40
30
38
0.19
40
32
40
0.23
40
35
45
0.25
40
35
45
0.23
40
38
48
0.26
40
40
56
0.30
40
40
56
0.27
40
45
60
0.33
40
50
66
0.37
40
50
66
0.34
40
57
72
0.40
40
60
81
0.45
40
60
81
0.42
40
72
97
0.40
100
75
101
0.50
100
75
101
0.46
100
88
121
0.50
100
92
127
0.60
100
105
144
0.60
100
110
152
0.70
100
132
181
0.80
100
138
191
0.90
100
163
224
0.90
100
171
235
1.00
100
188
257
1.00
100
200
274
1.10
100
234
322
1.20
100
242
334
1.30
100
253
349
1.50
100
264
365
1.70
100
NOTE: Average power dissipation of transients not to exceed 200mW.
Specifications (25°C)
Varistor Voltage at 1mA
DC Test Current
Max Clamping
Volt VC at 2.0A
(8/20μs)
Typical
Capacitance
Min
VN(DC)
Max
VC
(V)
(V)
(V)
(A)
14
18
23
49
15
18
21
44
15
18
21
49
16
22
28
55
19
22
26
51
19
22
26
55
21
27
34
67
24
27
31
59
24
27
31
67
26
33
40
73
29.5
33
36.5
67
29.5
33
36.5
73
31
39
47
86
35
39
43
79
35
39
43
86
37
47
57
99
42
47
52
90
42
47
52
99
44
56
68
117
50
56
62
108
50
56
62
117
54
68
82
138
61
68
75
127
61
68
75
138
65
82
99
163
73
82
91
150
73
82
91
163
80
100
120
200
90
100
110
185
90
100
110
200
102
120
138
220
108
120
132
205
108
120
132
220
127
150
173
255
135
150
165
240
153
180
207
310
162
180
198
290
187
220
253
380
198
220
242
360
229
270
311
460
243
270
297
440
280
330
380
570
297
330
363
540
331
390
449
670
351
390
429
640
365
430
495
740
387
430
473
700
f = 1MHz
(pF)
550
550
550
410
410
410
370
370
370
300
300
300
250
250
250
210
210
210
180
180
180
150
150
150
120
120
120
100
100
100
40
40
40
32
32
27
27
21
21
17
17
14
14
12
12
11
11
MA Varistor Series
184
Revision: January 9, 2009
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ma.html for current information.
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