ROV Metal Oxide Varistors
H Series Specifications—20mm Devices
Table V13 - Rating and Characteristics
Varistor
Voltage
V@1.0mA
Part
Number
ROV20H180M
ROV20H220M
ROV20H270M
ROV20H330M
ROV20H390L
ROV20H470L
ROV20H560L
ROV20H680L
ROV20H820K
ROV20H101K
ROV20H121K
ROV20H151K
ROV20H181K
ROV20H201K
ROV20H221K
ROV20H241K
ROV20H271K
ROV20H301K
ROV20H331K
ROV20H361K
ROV20H391K
ROV20H431K
ROV20H471K
ROV20H511K
ROV20H561K
ROV20H621K
ROV20H681K
ROV20H751K
ROV20H781K
ROV20H821K
ROV20H911K
ROV20H102K
ROV20H112K
ROV20H182K
DC
(V)
18
22
27
33
39
47
56
68
82
100
120
150
180
200
220
240
270
300
330
360
390
430
470
510
560
620
680
750
780
820
910
1000
1100
1801
Tolerance
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±11%
Maximum
Allowance
Voltage
AC
DC
(V
RMS
)
(V)
11
14
17
20
25
30
35
40
50
60
75
95
115
130
140
150
175
195
210
230
250
275
300
320
350
385
420
460
485
510
550
625
680
1000
14
18
22
26
31
38
45
56
65
85
100
125
150
170
180
200
225
250
275
300
320
350
385
418
460
505
560
615
640
670
745
825
895
1465
Maximum
Clamping
Voltage
V@100A
(V)
36*
43*
53*
65*
77*
93*
110*
135*
135
165
200
250
300
340
360
395
455
505
550
595
650
710
775
842
920
1025
1120
1240
1290
1355
1500
1650
1815
2970
Maximum
Surge Current
Rated
Energy
(8x20µs)
Waltage (10x1000µs)
1 Time
2 Times
(A)
(A)
(W)
(J)
3000
3000
3000
3000
3000
3000
3000
3000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
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
6500
6500
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
13.0
16.0
19.0
24.0
28.0
34.0
41.0
49.0
56.0
72.0
88.0
106.0
130.0
140.0
155.0
168.0
190.0
210.0
228.0
255.0
275.0
303.0
350.0
382.0
410.0
420.0
430.0
440.0
450.0
460.0
510.0
556.0
620.0
1020.0
Capacitance
(Typical)
(pF)
27100
21200
20000
17200
15000
12100
11600
9600
5200
4000
3800
3000
2400
1830
1600
1420
1260
1100
1110
990
980
860
760
790
680
600
550
550
480
520
440
400
360
250
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
xqvs
Certification
†
* The clamping voltages from 180M to 680K are tested at 2.5A current.
†
Certification
Standard
Title
Symbols
File Number
UL1414
‡
Across-the-Line
Components
x
E223034
UL1449 (2nd Edition)
‡
Transient Voltage
Surge Suppressors
q
E223033
CSA
Accessories and Parts
for Electronic Equipment
v
220978
VDE
Varistors for Use in
Electronic Equipment
s
40006997
‡
For UL 1449 (2nd Edition), the maximum clamping voltage is measured at 500A.
58
H Series Specifications—20mm Devices Pulse Lifetime Ratings and V-I Characteristic Curves
Figure V26 - ROV20H180M~ROV20H680L
Pulse Lifetime Ratings
V-1 Characteristic Curve
...
Cont'd
Voltage (V)
Imax (A)
Rectangular wave (µs)
Current (A)
Figure V27 - ROV20H820K~ROV20H511K
Pulse Lifetime Ratings
V-1 Characteristic Curve
Rectangular wave (µs)
Voltage (V)
Imax (A)
Current (A)
Figure V28 - ROV20H561K~ROV20H182K
Pulse Lifetime Ratings
V-1 Characteristic Curve
Rectangular wave (µs)
Voltage (V)
Imax (A)
Current (A)
59
