参数资料
| 型号： | V321NA34 |
| 厂商： | Littelfuse Inc |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | VARISTR IND SQ DISC 320V 34MM NA |
| 标准包装： | 100 |
| 系列： | NA |
| 变阻器电压： | 510V |
| 电流 - 浪涌： | 40kA |
| 电路数： | 1 |
| 最大交流电压： | 320VAC |
| 最大直流电压： | 420VDC |
| 能量： | 460J |
| 封装/外壳： | 方形 34mm |
Varistor Products
High Energy Industrial Square Disc
NA Varistor Series
Absolute Maximum Ratings
For ratings of individual members of a series, see Device Ratings and Specifications chart
Continuous:
Steady State Applied Voltage:
NA SERIES
UNITS
C
C
AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 to 750
DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370 to1050
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
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
MAXIMUM RATINGS (85 o C)
SPECIFICATIONS (25 o C)
V
V
A
J
O
O
%/ O C
2
CONTINUOUS
TRANSIENT
MAXIMUM
CLAMPING
PEAK
VARISTOR VOLTAGE
VOLTAGE
TYPICAL
ENERGY
CURRENT
AT 1mA DC TEST
(V C ) AT 200A
CAPACI-
V RMS
V DC
(2ms)
(8/20 μ s)
CURRENT
(8/20 μ s)
TANCE
MODEL
NUMBER
V131NA34
V141NA34
V151NA34
V251NA34
V271NA34
V321NA34
V421NA34
V481NA34
V511NA34
V571NA34
V661NA34
V751NA34
SIZE
(mm)
34
34
34
34
34
34
34
34
34
34
34
34
V M(AC)
(V)
130
140
150
250
275
320
420
480
510
575
660
750
V M(DC)
(V)
175
188
200
330
369
420
560
640
675
730
850
970
W TM
(J)
270
291
300
370
400
460
600
650
700
770
900
1050
I TM
(A)
40,000 1
40,000 3
40,000 2
40,000
40,000
40,000
40,000
40,000
40,000
40,000
40,000
40,000
MIN
(V)
184
198
212
354
389
462
610
670
735
805
940
1080
V N(DC)
(V)
200
220
240
390
430
510
680
750
820
910
1050
1200
MAX
(V)
228
248
268
429
473
561
748
825
910
1000
1160
1320
V C
(V)
345
375
405
650
730
830
1,130
1,240
1,350
1,480
1,720
2,000
f = 1MHz
(pF)
10,000
9,000
8,000
5,000
4,500
3,800
3,000
2,700
2,500
2,200
2,000
1,800
NOTE: Average power dissipation of transients not to exceed 2.0W.
1. Peak current applies to applications rated up to 115V RMS . Peak current is 30kA for applications greater than 115V RMS .
2. Peak current applies to applications rated up to 132V RMS . Peak current is 30kA for applications greater than 132V RMS .
3. Peak current applies to applications rated up to 123V RMS . Peak current is 30kA for applications greater than 123V RMS .
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