參數(shù)資料
型號: V251DHB34
廠商: Littelfuse, Inc.
元件分類: 壓敏電阻
英文描述: Varistor Products - High Energy Industrial
中文描述: 壓敏電阻器產(chǎn)品-高能源產(chǎn)業(yè)
文件頁數(shù): 2/5頁
文件大?。?/td> 97K
代理商: V251DHB34
110
www.littelfuse.com
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:
Steady State Applied Voltage:
AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 to 750
DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 to 970
Transient:
Peak Pulse Current (ITM)
For 8/20μs Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40,000
Single Pulse Energy Range
For 2ms Current Square Wave (WTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 to 1050
Operating Ambient Temperature Range (TA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 85
Storage Temperature Range (TSTG). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to 125
Temperature Coefficient (
α
V) of Clamping Voltage (VC) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
V
V
A
J
O
C
O
C
%/
O
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
DHB34 SERIES UNITS
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 115V . 30kA applies if > 115 V .
3. 40kA capability depends on applications rated up to 123V . 30kA applies if > 123 V .
4. 40kA capability depends on applications rated up to 132V . 30kA applies if > 132 V .
5. 40kA capability depends on applications rated up to 97V
RMS
. 30kA applies if > 97 V
RMS
.
MODEL
NUMBER
SIZE
MAXIMUM RATINGS (85
o
C)
SPECIFICATIONS (25
o
C)
CONTINUOUS
TRANSIENT
VARISTOR VOLTAGE
AT 1mA DC TEST
CURRENT
MAXIMUM
CLAMPING
VOLTAGE
(V
C
) AT 200A
(8/20
μ
s)
TYPICAL
CAPACI-
TANCE
V
RMS
V
DC
ENERGY
(2ms)
PEAK
CURRENT
(8/20
μ
s)
V
M(AC)
V
M(DC)
W
TM
I
TM
MIN
V
N(DC)
MAX
V
C
f = 1MHz
(mm)
(V)
(V)
(V)
(A)
(V)
(V)
(V)
(V)
(pF)
40,000
V131DHB34
V141DHB34
34
34
130
140
175
188
270
291
40,000
184
198
200
220
228
248
345
375
10,000
V151DHB34
34
150
200
300
212
240
268
405
8,000
9,000
V251DHB34
34
250
330
370
354
390
429
650
5,000
V271DHB34
34
275
369
400
40,000
389
430
473
730
4,500
V321DHB34
34
320
420
460
40,000
462
510
561
830
3,800
V331DHB34
34
330
435
475
40,000
467
519
570
843
3,750
V351DHB34
34
350
460
500
40,000
495
550
604
894
3,600
2
V111DHB34
34
110
148
220
40,000
156
173
190
288
11,600
1
40,000
3
40,000
4
V181DHB34
34
180
240
330
254
282
310
468
6,800
40,000
V201DHB34
34
200
265
350
283
314
345
533
6,350
40,000
V301DHB34
34
300
410
430
40,000
433
478
526
780
4,100
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