Varistor Products
High Energy Industrial
DHB34 Varistor Series
Absolute Maximum Ratings For ratings of individual members of a series, see Device Ratings and Specifications chart
Continuous:
DHB34 SERIES
UNITS
Steady State Applied Voltage:
AC Voltage Range (V
DC Voltage Range (V
Transient:
Peak Pulse Current (I
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 to 750
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 to 970
V
V
M(AC)RMS
M(DC)
)
TM
For 8/20µs Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40,000
Single Pulse Energy Range
For 2ms Current Square Wave (W ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 to 1050
A
J
TM
Operating Ambient Temperature Range (T ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85
A
OC
OC
%/OC
Storage Temperature Range (T
STG
). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125
Temperature Coefficient (αV) of Clamping Voltage (V ) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
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)
MAXIMUM
CLAMPING
VOLTAGE
PEAK
CURRENT
(8/20µs)
VARISTOR VOLTAGE
AT 1mA DC TEST
CURRENT
TYPICAL
CAPACI-
TANCE
ENERGY
(2ms)
(V ) AT 200A
C
V
V
(8/20µs)
RMS
DC
SIZE
(mm)
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
(V)
(A)
(V)
288
V111DHB34
V131DHB34
34
34
110
130
148
175
220
270
40,000 1
40,000 2
156
184
173
200
190
228
11,600
10,000
345
V141DHB34
V151DHB34
34
34
140
150
40,000 3
40,000 4
375
405
9,000
8,000
188
200
291
300
198
212
220
240
248
268
V181DHB34
V201DHB34
34
34
180
200
240
265
330
350
40,000
40,000
254
283
282
314
310
345
468
533
6,800
6,350
V251DHB34
V271DHB34
34
34
34
250
275
330
369
370
400
40,000
40,000
40,000
354
389
390
430
429
473
650
730
780
5,000
4,500
410
420
430
460
433
462
478
510
526
561
4,100
3,800
V301DHB34
V321DHB34
300
320
34
40,000
830
V331DHB34
V351DHB34
34
34
330
350
435
460
475
500
40,000
40,000
467
495
519
550
570
604
843
894
3,750
3,600
NOTE: Ratings are for each individual varistor element in dual assembly.
1. Average power dissipation of transients not to exceed 2.0W per varistor element (2 varistors per device).
2. 40kA capability depends on applications rated up to 115VRMS . 30kA applies if > 115 VRMS
3. 40kA capability depends on applications rated up to 123VRMS . 30kA applies if > 123 VRMS
4. 40kA capability depends on applications rated up to 132VRMS. 30kA applies if > 132 VRMS
.
.
.
5. 40kA capability depends on applications rated up to 97VRMS. 30kA applies if > 97 VRMS
.
110
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