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參數(shù)資料
| 型號： | V321NA34 |
| 廠商： | Littelfuse, Inc. |
| 元件分類： | 壓敏電阻 |
| 英文描述： | Varistor Products - High Energy Industrial Square Disc |
| 中文描述： | 壓敏電阻器產(chǎn)品-高能工業(yè)廣場光盤 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 89K |
| 代理商： | V321NA34 |
123
www.littelfuse.com
Varistor Products
2
V
P
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:
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
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
NA SERIES UNITS
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)
(J)
(A)
(V)
(V)
(V)
(V)
(pF)
V131NA34
V141NA34
34
34
130
140
175
188
270
291
40,000
184
198
220
200
228
248
345
375
10,000
V151NA34
34
150
200
300
40,000
212
240
268
405
8,000
9,000
V251NA34
34
250
330
370
40,000
354
390
429
650
5,000
V271NA34
34
275
369
400
40,000
389
430
473
730
4,500
V321NA34
34
320
420
460
40,000
462
510
561
830
3,800
V421NA34
34
420
560
600
40,000
610
680
748
1,130
3,000
V481NA34
34
480
640
650
40,000
670
750
825
1,240
2,700
V511NA34
34
510
675
700
40,000
735
820
910
1,350
2,500
V571NA34
34
575
730
770
40,000
805
910
1000
1,480
2,200
V661NA34
34
660
850
900
40,000
940
1050
1160
1,720
2,000
V751NA34
34
750
970
1050
40,000
1080
1200
1320
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 . Peak current is 30kA for applications greater than 115V .
2. Peak current applies to applications rated up to 132V . Peak current is 30kA for applications greater than 132V .
3. Peak current applies to applications rated up to 123V . Peak current is 30kA for applications greater than 123V .
1
40,000
3
2
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