20D180K Datasheet, PDF (2/3 Pages) UN Semiconducctor INC – Radial Lead Varistor

Electrical Characteristics
Maximum
Part Number ^{Allowable Voltage}
Varistor
Voltage
Maximum
Clamping
Voltage
Standard
VAC(V) VDC(V)
V1mA(V) IP(A) VC(V)
20D180K
11
14
18(15~21.6) 20
36
20D220K
14
18
22(19.5~26) 20
43
20D270K
17
22
27(24~30) 20
53
20K330K
20
26
33(29.5~36.5) 20
65
20D390K
25
31
39(35~43) 20
77
20D470K
30
38
47(42~54) 20
93
20D560K
35
45
56(50~62) 20 100
20D680K
40
56
68(61~75) 20 135
20D820K
50
65
82(74~90) 100 135
20D101K
60
85
100(90~110) 100 165
20D121K
75
100
120(108~132) 100 200
20D151K
95
125
150(135~165) 100 250
20D181K
115
150
180(162~198) 100 300
20D201K
130
170
200(180~220) 100 340
20D221K
140
180
220(198~242) 100 360
20D241K
150
200
240(216~264) 100 395
20D271K
175
225
270(243~297) 100 455
20D301K
190
250
300(270~330) 100 500
20D331K
210
275
330(297~363) 100 550
20D361K
230
300
360(324~396) 100 595
20D391K
250
320
390(351~429) 100 650
20D431K
275
350
430(387~473) 100 710
20D471K
300
385
470(423~517) 100 775
20D511K
320
415
510(459~561) 100 845
20D561K
350
460
560(504~616) 100 925
20D621K
385
505
620(558~682) 100 1025
20D681K
420
560
680(612~748) 100 1120
20D751K
460
615
750(675~825) 100 1240
20D781K
485
640
780(702~858) 100 1290
20D821K
510
670
820(738~902) 100 1355
20D911K
550
745 910(819~1001) 100 1500
20D102K
625
825 1000(900~1100) 100 1650
Withstandi
ng Surge
Current
I(A)
Standard
2000
2000
2000
2000
2000
2000
2000
2000
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
Maximum
Energy
(10/1000μs)
(J)
Standard
11
14
16
23
26
30
41
46
38
45
55
70
85
95
100
108
127
136
150
163
180
190
220
220
220
220
230
255
265
282
310
342
20D Series
Rated
Power
(W)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Typical
Capacitance
(Reference)
1KHz(pf)
28500
18500
13000
11500
8500
7400
6500
5800
4900
4000
3300
2700
2200
2000
1800
1650
1500
1300
1200
1100
1000
930
850
780
710
650
600
580
560
525
495
480