參數(shù)資料
型號(hào)： V251DA40
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(yè)數(shù)： 2/4頁(yè)
文件大?。?/td> 64K
代理商： V251DA40
87
www.littelfuse.com
Varistor Products
2
V
P
High Energy Industrial
DA/DB 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). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 to 750
DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 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). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 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
Hi-Pot Encapsulation (Isolation Voltage Capability) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5000
(Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301)
Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000
V
V
A
J
o
C
o
C
%/
o
C
V
M
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
DA/DB SERIES
UNITS
PART NUMBER AND
DEVICE BRANDING
MAXIMUM RATINGS (85
o
C)
SPECIFICATIONS (25
o
C)
CONTINUOUS
TRANSIENT
VARISTOR VOLTAGE AT
1mA DC TEST
CURRENT
MAX CLAMP-
ING VOLT V
C
AT 200A
CURRENT
(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
DA
DB
(V)
(V)
(J)
(A)
(V)
(V)
(V)
(V)
(pF)
V131DA40
V131DB40
130
175
270
40000
184
200
228
345
10000
V151DA40
V151DB40
150
200
300
40000
212
240
268
405
8000
V251DA40
V251DB40
250
330
370
40000
354
390
429
650
5000
V271DA40
V271DB40
275
369
400
40000
389
430
473
730
4500
V321DA40
V321DB40
320
420
460
40000
462
510
561
830
3800
V421DA40
V421DB40
420
560
600
40000
610
680
748
1130
3000
V481DA40
V481DB40
480
640
650
40000
670
750
825
1240
2700
V511DA40
V511DB40
510
675
700
40000
735
820
910
1350
2500
V571DA40
V571DB40
575
730
770
40000
805
910
1000
1480
2200
V661DA40
V661DB40
660
850
900
40000
940
1050
1160
1720
2000
V751DA40
V751DB40
750
970
1050
40000
1080
1200
1320
2000
1800
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 .
1
2
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參數(shù)描述
V251DB40 功能描述:壓敏電阻 250V 40kA 5000pF RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel
V251DHB34 功能描述:壓敏電阻 DHB Series RoHS:否 制造商:EPCOS 產(chǎn)品:MLV 電壓額定值 DC:22 V 電壓額定值 AC:17 V 鉗位電壓:50 V 直徑: 峰值浪涌電流:30 A 浪涌能量額定值:75 mJ 電容:74.2 pF 工作溫度范圍:- 55 C to + 125 C 安裝:SMD/SMT 封裝:Reel
V251H0H4-1Z400-1XX-XTC1 制造商:Carling Technologies 功能描述:V-SERIES ROCKER SWITCH - Bulk
V251H0H4-6Z400-000 制造商:Carling Technologies 功能描述:V-SERIES ROCKER SWITCH - Bulk
V251H0H4-6Z4XX-300-XTE1 制造商:Carling Technologies 功能描述:V-SERIES ROCKER SWITCH - Bulk
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