Varistor Products
High Energy Industrial
HA Varistor Series
Device Ratings and Specifications
MAXIMUM RATINGS (85
o
C)
CONTINUOUS
TRANSIENT
PEAK
CURRENT
(8/20µs)
I
TM
(A)
25000
40000
25000
40000
25000
40000
25000
40000
25000
40000
25000
40000
25000
40000
25000
40000
25000
40000
25000
40000
MIN
(V)
545
545
610
610
622
622
670
670
735
735
778
778
805
805
940
940
962
962
1080
1080
VARISTOR VOLTAGE
AT 1mA DC TEST
CURRENT
V
N(DC)
(V)
604
604
680
680
691
691
750
750
820
820
864
864
910
910
1050
1050
1068
1068
1200
1200
MAX
(V)
663
663
748
748
759
759
825
825
910
910
949
949
1000
1000
1160
1160
1173
1173
1320
1320
SPECIFICATIONS (25
o
C)
MAXIMUM
CLAMPING
VOLTAGE
(V
C
) AT 200A
(8/20µs)
V
C
(V)
1020
1000
1120
1100
1200
1147
1290
1230
1355
1295
1515
1430
1570
1480
1820
1720
1830
1780
2050
2000
PART
NUMBER AND
DEVICE
BRANDING
V391HA32
V391HA40
V421HA32
V421HA40
V441HA32
V441HA40
V481HA32
V481HA40
V511HA32
V511HA40
V551HA32
V551HA40
V571HA32
V571HA40
V661HA32
V661HA40
V681HA32
V681HA40
V751HA32
V751HA40
V
RMS
V
M(AC)
(V)
385
385
420
420
440
440
480
480
510
510
550
550
575
575
660
660
680
680
750
750
V
DC
V
M(DC)
(V)
510
510
560
560
585
585
640
640
675
675
710
710
730
730
850
850
875
875
970
970
ENERGY
(2ms)
W
TM
ENERGY
395
550
400
600
420
630
450
650
500
700
530
755
550
770
600
900
610
925
700
1050
TYPICAL
CAPACITANCE
AT f = 1MHz
C
(pF)
1750
3500
1500
3000
1450
2900
1300
2700
1200
2500
1190
2390
1100
2200
1000
2000
850
1900
800
1800
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