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.
NOTE: 2MS SQ Wave Us. 100x1000 exponential condition for Ultra CIII, LA, TA and FCTC.
2
VARISTOR
PRODUCTS
Device Ratings and Specifications
RoHS
Pb
LEAD-FREE
AND RoHS
COMPLIANT
MODELS
MAXIMUM RATING (85
o
C)
CONTINUOUS
STANDARD
MODELS
RMS
VOLTS
V
M(AC)
BRANDING
7V130
10V130
14V130
20V130
7V140
10V140
14V140
20V140
7V150
10V150
14V150
20V150
7V175
10V175
14V175
20V175
7V230
10V230
14V230
20V230
(V)
130
130
130
130
140
140
140
140
150
150
150
150
175
175
175
175
230
230
230
230
DC
VOLTS
V
M(DC)
(V)
170
170
170
170
180
180
180
180
200
200
200
200
225
225
225
225
300
300
300
300
ENERGY
2ms
W
TM
(J)
12.5
25
50
100
13.5
27.5
55
110
15
30
60
120
17
35
70
135
20
42
80
160
TRANSIENT
PEAK CURRENT
8 x 20µs
I
TM
I
TM
1 x PULSE 2 x PULSE
(A)
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
(A)
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
184
184
184
184
200
200
200
200
216
216
216
216
243
243
243
243
324
324
324
324
SPECIFICATIONS (25
o
C)
VARISTOR
VOLTAGE AT 1mA
DC TEST CURRENT
V
NOM
MIN
(V)
226
226
226
226
240
240
240
240
264
264
264
264
297
297
297
297
396
396
396
396
V
NOM
MAX
MAXIMUM
CLAMPING
VOLTAGE 8 x 20
µs
V
C
(V)
340
340
340
340
360
360
360
360
395
395
395
395
455
455
455
455
595
595
595
595
I
PK
(A)
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
TYPICAL
CAPACI-
TANCE
f = 1MHz
(pF)
180
450
1000
1900
160
400
900
1750
150
360
800
1600
130
350
700
1400
100
250
550
1100
PART
NUMBER
V07E130P
V10E130P
V14E130P
V20E130P
V07E140P
V10E140P
V14E140P
V20E140P
V07E150P
V10E150P
V14E150P
V20E150P
V07E175P
V10E175P
V14E175P
V20E175P
V07E230P
V10E230P
V14E230P
V20E230P
BRANDING
P7V130
P10V130
P14V130
P20V130
P7V140
P10V140
P14V140
P20V140
P7V150
P10V150
P14V150
P20V150
P7V175
P10V175
P14V175
P20V175
P7V230
P10V230
P14V230
P20V230
PART
NUMBER
V07E130
V10E130
V14E130
V20E130
V07E140
V10E140
V14E140
V20E140
V07E150
V10E150
V14E150
V20E150
V07E175
V10E175
V14E175
V20E175
V07E230
V10E230
V14E230
V20E230
w w w. l i t t e l f u s e . c o m
37
Varistor Products
High Surge Current, Radial Lead
RoHS
Pb
UltraMOV
™
Varistor Series
(Continued)
MAXIMUM RATING (85
o
C)
CONTINUOUS
STANDARD
MODELS
RMS
VOLTS
V
M(AC)
BRANDING
7V250
10V250
14V250
20V250
7V275
10V275
14V275
20V275
7V300
10V300
14V300
20V300
7V320
10V320
14V320
20V320
7V385
10V385
14V385
20V385
7V420
10V420
14V420
20V420
7V440
10V440
14V440
20V440
7V460
10V460
14V460
20V460
10V510
14V510
20V510
(V)
250
250
250
250
275
275
275
275
300
300
300
300
320
320
320
320
385
385
385
385
420
420
420
420
440
440
440
440
460
460
460
460
510
510
510
DC
VOLTS
V
M(DC)
(V)
320
320
320
320
350
350
350
350
385
385
385
385
420
420
420
420
505
505
505
505
560
560
560
560
585
585
585
585
615
615
615
615
670
670
670
ENERGY
2ms
W
TM
(J)
25
50
100
170
28
55
110
190
30
60
125
250
32
67
136
273
36
75
150
300
40
80
160
320
44
85
170
340
48
90
180
360
80
165
325
TRANSIENT
PEAK CURRENT
8 x 20µs
I
TM
I
TM
1 x PULSE 2 x PULSE
(A)
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
3500
6000
10000
(A)
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
2500
4500
6500
351
351
351
351
387
387
387
387
423
423
423
423
459
459
459
459
558
558
558
558
612
612
612
612
643
643
643
643
675
675
675
675
738
738
738
SPECIFICATIONS (25
o
C)
VARISTOR
VOLTAGE AT 1mA
DC TEST CURRENT
V
NOM
MIN
(V)
429
429
429
429
473
473
473
473
517
517
517
517
561
561
561
561
682
682
682
682
748
748
748
748
787
787
787
787
825
825
825
825
902
902
902
V
NOM
MAX
MAXIMUM
CLAMPING
VOLTAGE 8 x 20
µs
V
C
(V)
650
650
650
650
710
710
710
710
775
775
775
775
840
840
840
840
1025
1025
1025
1025
1120
1120
1120
1120
1180
1180
1180
1180
1240
1240
1240
1240
1355
1355
1355
I
PK
(A)
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
10
25
50
100
25
50
100
TYPICAL
CAPACI-
TANCE
f = 1MHz
(pF)
90
220
500
1000
80
200
450
900
70
180
400
800
65
170
380
750
60
160
360
700
55
140
300
600
50
130
260
500
45
120
220
400
110
200
350
Device Ratings and Specifications
RoHS
Pb
LEAD-FREE
AND RoHS
COMPLIANT
MODELS
PART
NUMBER
V07E250P
V10E250P
V14E250P
V20E250P
V07E275P
V10E275P
V14E275P
V20E275P
V07E300P
V10E300P
V14E300P
V20E300P
V07E320P
V10E320P
V14E320P
V20E320P
V07E385P
V10E385P
V14E385P
V20E385P
V07E420P
V10E420P
V14E420P
V20E420P
V07E440P
V10E440P
V14E440P
V20E440P
V07E460P
V10E460P
V14E460P
V20E460P
V10E510P
V14E510P
V20E510P
BRANDING
P7V250
P10V250
P14V250
P20V250
P7V275
P10V275
P14V275
P20V275
P7V300
P10V300
P14V300
P20V300
P7V320
P10V320
P14V320
P20V320
P7V385
P10V385
P14V385
P20V385
P7V420
P10V420
P14V420
P20V420
P7V440
P10V440
P14V440
P20V440
P7V460
P10V460
P14V460
P20V460
P10V510
P14V510
P20V510
PART
NUMBER
V07E250
V10E250
V14E250
V20E250
V07E275
V10E275
V14E275
V20E275
V07E300
V10E300
V14E300
V20E300
V07E320
V10E320
V14E320
V20E320
V07E385
V10E385
V14E385
V20E385
V07E420
V10E420
V14E420
V20E420
V07E440
V10E440
V14E440
V20E440
V07E460
V10E460
V14E460
V20E460
V10E510
V14E510
V20E510
38
w w w. l i t t e l f u s e . c o m
Varistor Products
High Surge Current, Radial Lead
RoHS
Pb
UltraMOV
™
Varistor Series
(Contin
ued)
SPECIFICATIONS (25
o
C)
VARISTOR
VOLTAGE AT 1mA
DC TEST CURRENT
V
NOM
MIN
(V)
819
819
819
900
900
900
1001
1001
1001
1100
1100
1100
V
NOM
MAX
MAXIMUM
CLAMPING
VOLTAGE 8 x 20
µs
V
C
(V)
1500
1500
1500
1650
1650
1650
I
PK
(A)
25
50
100
25
50
100
TYPICAL
CAPACI-
TANCE
f = 1MHz
(pF)
100
180
300
90
160
250
MAXIMUM RATING (85
o
C)
CONTINUOUS
STANDARD
MODELS
RMS
VOLTS
V
M(AC)
BRANDING
10V550
14V550
20V550
10V625
14V625
20V625
(V)
550
550
550
625
625
625
DC
VOLTS
V
M(DC)
(V)
745
745
745
825
825
825
ENERGY
2ms
W
TM
(J)
90
180
360
100
200
400
TRANSIENT
PEAK CURRENT
8 x 20µs
I
TM
I
TM
1 x PULSE 2 x PULSE
(A)
3500
6000
10000
3500
6000
10000
(A)
2500
4500
6500
2500
4500
6500
Device Ratings and Specifications
(Continued)
Device Ratings and Specifications
RoHS
Pb
LEAD-FREE
AND RoHS
COMPLIANT
MODELS
PART
NUMBER
V10E550P
V14E550P
V20E550P
V10E625P
V14E625P
V20E625P
BRANDING
P10V550
P14V550
P20V550
P10V625
P14V625
P20V625
PART
NUMBER
V10E550
V14E550
V20E550
V10E625
V14E625
V20E625
2
VARISTOR
PRODUCTS
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.
Power Dissipation Ratings
PERCENT OF RATED VALUE
Should transients occur in rapid succession, the average power dissipa-
tion is the energy (watt-seconds) per pulse times the number of pulses
per second. The power so developed must be within the specifications
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
1. First copy ppp-2.4.7.tar.gz to Ubuntu, then execute the following command to decompress it: tar -xvf ppp-2.4.7.tar.gz DecompressionAfter completion, you will get the ppp-2.4.7 directory. Enter the ...
The previous section mainly introduced the use of sensors based on analog signals. This time, let’s talk about the use of digital sensors. There are many types of digital sensors.
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