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| 型号： | V07E130L2A5 |
| 文件页数： | 6/11页 |
| 文件大小： | 136K |
| 代理商： | V07E130L2A5 |
4-8
Power Dissipation Ratings
Should transients occur in rapid succession, the average
power dissipation is the energy (watt-seconds) per pulse
times the number of pulses per second. The power so
developed must be within the specications shown on the
Device Ratings and Specications table for the specic
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.
V10E550
10V550
550
745
90
2500
3500
901
1001
1500
25
100
V14E550
14V550
550
745
180
4500
6000
901
1001
1500
50
180
V20E550
20V550
550
745
360
6500
10000
901
1001
1500
100
300
V10E625
10V625
625
825
100
2500
3500
900
1100
1650
25
90
V14E625
14V625
625
825
200
4500
6000
900
1100
1650
50
160
V20E625
20V625
625
825
400
6500
10000
900
1100
1650
100
250
NOTE:
1. Average power dissipation of transients should not exceed 0.25W, 0.4W, 0.6W and 1.0W for 7mm, 10mm, 14mm, and 20mm model sizes,
respectively.
Device Ratings and Specications (Continued)
MODEL
NUMBER
DEVICE
MODEL
NUMBER
BRANDING
MAXIMUM RATING (85oC)
SPECIFICATIONS (25oC)
CONTINUOUS
TRANSIENT
VARISTOR
VOLTAGE AT 1mA
DC TEST CURRENT
MAXIMUM
CLAMPING
VOLTAGE 8 x 20
s
TYPICAL
CAPACI-
TANCE
RMS
VOLTS
DC
VOLTS
ENERGY
2ms
PEAK CURRENT
8 x 20
s
VM(AC)
VM(DC)
WTM
ITM
2 x PULSE
ITM
1 x PULSE
VNOM
MIN
VNOM
MAX
VC
IPK
f = 1MHz
(V)
(J)
(A)
(V)
(A)
(pF)
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
FIGURE 1. CURRENT, ENERGY AND POWER DERATING
CURVE
100
90
50
10
O1
T
T1
T2
TIME
PERCENT
OF
PEAK
V
ALUE
O1 = Virtual Origin of Wave
T = Time From 10% to 90% of Peak
T1 = Virtual Front time = 1.25 t
T2 = Virtual Time to Half Value (Impulse Duration)
Example: For an 8/20
s Current Waveform:
8
s = T1 = Virtual Front Time
20
s = T2 = Virtual Time to Half Value
FIGURE 2. PEAK PULSE CURRENT TEST WAVEFORM
UltraMOV Series
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| V07E130L2A7 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| V07E130L2B1 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| V07E130L2B5 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| V07E130L2B7 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
| V07E130L2T1 | 制造商:未知厂家 制造商全称:未知厂家 功能描述: |
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