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參數(shù)資料
| 型號： | V430MA3A |
| 廠商： | Littelfuse, Inc. |
| 元件分類： | 壓敏電阻 |
| 英文描述： | Varistor Products - Axial Lead |
| 中文描述： | 壓敏電阻器產(chǎn)品-軸向引線 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 96K |
| 代理商： | V430MA3A |
129
www.littelfuse.com
Varistor Products
2
V
P
Axial Lead
MA Varistor Series
Device Ratings and Specifications
(Continued)
Power Dissipation Ratings
Should transients occur in rapid succession, the average power dissipation
required is simply the energy (watt-seconds) per pulse times the number
of pulses per second.The power so developed must be within the specifi-
cations shown on the Device Ratings and Specifications table for the
specific device. Furthermore, the operating values need to be derated at
high temperatures as shown in Figure 1. Because varistors can only
dissipate a relatively small amount of average power they are, therefore,
not suitable for repetitive applications that involve substantial amounts of
average power dissipation.
V100MA4A
V100MA4B
V100MA4S
100
101
102
57
60
60
72
81
81
0.40
0.45
0.42
40
40
40
80
90
90
100
100
100
120
110
110
200
185
200
100
100
100
V120MA1A
V120MA2B
V120MA2S
120
121
122
72
75
75
97
101
101
0.40
0.50
0.46
100
100
100
102
108
108
120
120
120
138
132
132
220
205
220
40
40
40
V150MA1A
V150MA2B
150
151
88
92
121
127
0.50
0.60
100
100
127
135
150
150
173
165
255
240
32
32
V180MA1A
V180MA3B
180
181
105
110
144
152
0.60
0.70
100
100
153
162
180
180
207
198
310
290
27
27
V220MA2A
V220MA4B
220
221
132
138
181
191
0.80
0.90
100
100
187
198
220
220
253
242
380
360
21
21
V270MA2A
V270MA4B
270
271
163
171
224
235
0.90
1.00
100
100
229
243
270
270
311
297
460
440
17
17
V330MA2A
V330MA5B
330
331
188
200
257
274
1.00
1.10
100
100
280
297
330
330
380
363
570
540
14
14
V390MA3A
V390MA6B
390
391
234
242
322
334
1.20
1.30
100
100
331
351
390
390
449
429
670
640
12
12
V430MA3A
V430MA7B
430
431
253
264
349
365
1.50
1.70
100
100
365
387
430
430
495
473
740
700
11
11
NOTE: Average power dissipation of transients not to exceed 200mW.
PART
NUMBER
BRAND
MAXIMUM RATINGS (85
o
C)
SPECIFICATIONS (25
o
C)
CONTINUOUS
TRANSIENT
VARISTOR VOLTAGE AT
1mA DC TEST
CURRENT
MAX CLAMPING
VOLTAGE
V
C
AT 2.0A
(8/20
μ
s)
TYPICAL
CAPACI-
TANCE
V
RMS
V
DC
ENERGY
(10/1000
μ
s)
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
(V)
(V)
(J)
(A)
(V)
(V)
(V)
(V)
(pF)
FIGURE 1. CURRENT, ENERGY AND POWER DERATING
CURVE
100
90
80
70
60
50
40
30
20
10
0
-55
50
60
70
AMBIENT TEMPERATURE (
o
C)
80
90
100
110
120
130
140
150
P
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| V430MA7B | 功能描述:壓敏電阻 275V 100A 11pF 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 |
| V430MA7B | 制造商:Littelfuse 功能描述:VARISTOR 1.7J 364VAC |
| V430MA7B | 制造商:Littelfuse 功能描述:Varistor 制造商:Littelfuse 功能描述:METAL OXIDE VARISTOR, 365V 700V AXL |
| V430MT3A | 功能描述:壓敏電阻 275V 100A 11pF 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 |
| V430MT7B | 功能描述:壓敏電阻 275V 100A 11pF 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 |
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