Varistor Products
High Energy Industrial Disc
CA Varistor Series
Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart
CA SERIES
UNITS
Continuous:
Steady State Applied Voltage:
AC Voltage Range (V
DC Voltage Range (V
Transient:
Peak Pulse Current (I
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 to 2800
). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 to 3500
V
V
M(AC)RMS
M(DC)
)
TM
For 8/20µs Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20,000 to 70,000
Single Pulse Energy Range
A
For 2ms Current Square Wave (W ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 to 10,000
J
OC
TM
Operating Ambient Temperature Range (T ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 to 85
A
Storage Temperature Range (T
STG
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 to 85
OC
Temperature Coefficient (αV) of Clamping Voltage (V ) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
%OC
C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device
at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Device Ratings and Specifications
o
o
MAXIMUM RATINGS (85 C)
CONTINUOUS TRANSIENT
SPECIFICATIONS (25 C)
MAX
CLAMPING
VOLT V AT
C
PEAK
CURRENT
(8/20µs)
200A
TYPICAL
CAPACI-
TANCE
ENERGY
(2ms)
VARISTOR VOLTAGE AT
1mADC TEST CURRENT
CURRENT
(8/20µs)
V
V
DC
RMS
SIZE
(mm)
32
V
V
W
I
MIN
(V)
V
MAX
(V)
V
C
f = 1MHz
(pF)
M(AC)
(V)
M(DC)
(V)
TM
TM
N(DC)
(V)
MODEL
NUMBER
(J)
(A)
(V)
V131CA32
V151CA32
130
150
250
175
200
330
200
220
20000
184
200
240
390
228
350
4700
32
20000
212
354
268
429
410
4000
V251CA32
V251CA40
V251CA60
32
40
60
330
370
880
20000
40000
50000
680
650
620
2500
5000
10000
V271CA32
V271CA40
V271CA60
32
40
60
275
320
420
480
510
575
660
369
420
560
640
675
730
850
360
400
950
20000
40000
50000
389
462
610
670
735
805
940
430
510
680
750
820
910
473
561
750
730
680
2200
4500
9000
V321CA32
V321CA40
V321CA60
32
40
60
390
460
1100
20000
40000
50000
850
830
760
1900
3800
7500
V421CA32
V421CA40
V421CA60
32
40
60
400
600
1500
25000
40000
70000
748
1200
1130
1060
1500
3000
6000
V481CA32
V481CA40
V481CA60
32
40
60
450
650
1600
25000
40000
70000
825
1300
1240
1160
1300
2700
5500
V511CA32
V511CA40
V511CA60
32
40
60
500
700
1800
25000
40000
70000
910
1440
1350
1300
1200
2500
5000
V571CA32
V571CA40
V571CA60
32
40
60
550
770
2100
25000
40000
70000
1000
1160
1600
1480
1420
1100
2200
4500
V661CA32
V661CA40
V661CA60
32
40
60
600
900
2300
25000
40000
70000
1050
1820
1720
1640
1000
2000
4000
110
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