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参数资料
| 型号： | V22MA1B |
| 厂商： | Littelfuse, Inc. |
| 元件分类： | 压敏电阻 |
| 英文描述： | Varistor Products - Axial Lead |
| 中文描述： | 压敏电阻器产品-轴向引线 |
| 文件页数： | 3/5页 |
| 文件大小： | 105K |
| 代理商： | V22MA1B |
129
www .littelfuse .com
Varistor Products
2
V
ARIST
OR
PR
ODUCTS
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
72
81
0.40
0.45
0.42
40
80
90
100
120
110
200
185
200
100
V120MA1A
V120MA2B
V120MA2S
120
121
122
72
75
97
101
0.40
0.50
0.46
100
102
108
120
138
132
220
205
220
40
V150MA1A
V150MA2B
150
151
88
92
121
127
0.50
0.60
100
127
135
150
173
165
255
240
32
V180MA1A
V180MA3B
180
181
105
110
144
152
0.60
0.70
100
153
162
180
207
198
310
290
27
V220MA2A
V220MA4B
220
221
132
138
181
191
0.80
0.90
100
187
198
220
253
242
380
360
21
V270MA2A
V270MA4B
270
271
163
171
224
235
0.90
1.00
100
229
243
270
311
297
460
440
17
V330MA2A
V330MA5B
330
331
188
200
257
274
1.00
1.10
100
280
297
330
380
363
570
540
14
V390MA3A
V390MA6B
390
391
234
242
322
334
1.20
1.30
100
331
351
390
449
429
670
640
12
V430MA3A
V430MA7B
430
431
253
264
349
365
1.50
1.70
100
365
387
430
495
473
740
700
11
NOTE: Average power dissipation of transients not to exceed 200mW.
PART
NUMBER
BRAND
MAXIMUM RATINGS (85 oC)
SPECIFICATIONS (25oC)
CONTINUOUS
TRANSIENT
VARISTOR VOLTAGE AT
1mA DC TEST
CURRENT
MAX CLAMPING
VOLTAGE
VC AT 2.0A
(8/20s)
TYPICAL
CAPACI-
TANCE
VRMS
VDC
ENERGY
(10/1000s)
PEAK
CURRENT
(8/20s)
VM(AC)
VM(DC)
WTM
ITM
MIN
VN(DC)
MAX
VC
f = 1MHz
(V)
(J)
(A)
(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
80
90
100 110 120 130 140 150
AMBIENT TEMPERATURE ( oC)
PERCENT
OF
RA
TED
V
ALUE
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| V22MA1S | 功能描述:压敏电阻 10V 40A 410pF RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
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| V22RA8 | 功能描述:压敏电阻 10V 250A 1600pF RoHS:否 制造商:EPCOS 产品:MLV 电压额定值 DC:22 V 电压额定值 AC:17 V 钳位电压:50 V 直径: 峰值浪涌电流:30 A 浪涌能量额定值:75 mJ 电容:74.2 pF 工作温度范围:- 55 C to + 125 C 安装:SMD/SMT 封装:Reel |
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