METAL OXIDE VARISTORS
Transient voltage surge suppressors
20D series
Model
Number
Standard
20D180L
20D220K
20D270K
20D330K
20D390K
20D470K
20D560K
20D680K
20D820K
20D101K
20D121K
20D151K
20D181K
20D201K
20D221K
20D241K
20D271K
20D301K
20D331K
20D361K
20D391K
20D431K
20D471K
20D511K
20D561K
20D621K
20D681K
20D751K
20D781K
20D821K
20D911K
20D102K
20D112K
20D122K
20D152K
20D182K
High
Surge
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
Maximum
Allowable
Voltage
AC
(V)
11
14
17
20
25
30
35
40
50
60
75
95
115
130
140
150
175
190
210
230
250
275
300
320
350
385
420
460
485
510
550
625
680
750
900
1000
DC
(V)
14
18
22
26
31
38
45
56
65
85
100
125
150
170
180
200
225
250
275
300
320
350
385
415
460
505
560
615
640
670
745
825
895
990
1200
1465
Varistor
Voltage
V 1mA
(V)
18(15-21)
22(20 -24)
27(24 -30)
33(30 -36)
39(35 - 43)
47(42 - 52)
56(50 - 62)
68(61 - 75)
82(74 - 90)
100(90 - 110)
120(108 - 132)
150(135 - 165)
180(162 - 198)
200(185 - 225)
220(198 - 242)
240(216 - 264)
270(243 - 297)
300(270 - 330)
330(297 - 363)
360(324 - 396)
390(351 - 429)
430(387 - 473)
470(423 - 517)
510(459 - 561)
560(504 - 616)
620(558 - 682)
680(612 -748)
750(675-825)
780(702-858)
820(738-902)
910(819-1001)
1000(900 - 1100)
1100(990 - 1210)
1200(1080-1320)
1500(1350-1650)
1800(1620-1980)
Clamping
Voltage
(MAX.)
VC
(v)
36
43
53
65
77
93
110
135
135
165
200
250
300
340
360
395
455
500
550
595
650
710
775
845
925
1025
1120
1240
1290
1355
1500
1650
1815
1980
2475
2970
100
20
Maximum
Peak current
(8/20µs)
Maximum
Energy
(10/1000µs)
Typical
Rated
Capacitance
Power
(Reference)
W
@1KHz
(pf)
28500
18500
13000
0.20
11500
8500
7400
6500
5800
4900
4000
3300
2700
2200
2000
1800
1650
1500
1300
1200
1100
1000
1.00
930
850
780
710
650
600
530
510
500
440
400
360
320
260
220
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
High
High
Standard
IP Standard
Surge
Surge
(A)
(A)
(JOULE)
11
14
16
2000
3000
23
26
30
41
46
38
45
55
70
85
95
100
108
127
136
150
163
180
6500
10000
190
220
220
220
220
230
255
265
282
310
342
383
408
420
560
13
16
19
24
28
34
41
49
56
70
85
106
130
140
155
168
190
210
228
255
275
305
350
360
380
390
400
420
440
460
540
565
620
660
780
860
# OPERATING TEMPERATURE RANGE: - 40℃ TO +85℃
# STORAGE TEMPERATURE RANGE: - 40℃ TO +125℃
METAL OXIDE VARISTORS
Transient voltage surge suppressors
20D series
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