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Varistor Products
Radial Lead Varistors > UltraMOV series
RoHS UltraMOV™ Varistor Series
Agency Approvals
Agency
Agency File Number
E75961
116895E
LR91788
42201-006
Description
The UltraMOV Metal Oxide Varistor Series is designed for
applications requiring high peak surge current ratings and
high energy absorption capability. UltraMOV varistors are
primarily intended for use in AC Line Voltage applications
such as Transient Voltage Surge Suppressors (TVSS),
Uninterruptable Power Supplies (UPS), AC Power Taps,
AC Power Meters, or other products that require voltage
clamping of high transient surge currents from sources
such as lightning, inductive load switching, or capacitor
bank switching.
These devices are produced in radial lead package sizes of
7, 10, 14, and 20mm and offered in a variety of lead forms.
UltraMOVs are manufactured with recognized epoxy
encapsulation and are rated for ambient temperatures up
UP¡$XJUIOPEFSBUJOH5IJT4FSJFTJT-"4&3CSBOEFEBOE
is supplied in bulk, ammo pack (fan-fold), or tape and reel
packaging.
Features
t -FBEGSFFBOE3P)4
compliant option
available. Please see
the device and ratings
specifications table for
more information.
t )JHI1FBL4VSHF$VSSFOU
Rating (ITM) Up to 10kA,
Single 8 x 20 Pulse,
(20mm)
t 4UBOEBSE0QFSBUJOH
Voltage Range
Compatible with
Common AC Line
Voltages (130VAC to
625VAC)
t $IBSBDUFSJ[FEGPS
Maximum Standby
Current (Leakage)
t $VTUPN7PMUBHF5ZQFT
Available
t 4UBOEBSE-FBE'PSNBOE
Lead Space Options
Absolute Maximum Ratings
t'PSSBUJOHTPGJOEJWJEVBMNFNCFSTPGBTFSJFT TFF%FWJDF3BUJOHTBOE4QFDJmDBUJPOTDIBSU
Continuous
Steady State Applied Voltage:
DC Voltage Range (VM(AC)RMS)
Transients:
Single-Pulse Peak Current (ITM Y˜T8BWF 4FF'JHVSF
4JOHMF1VMTF&OFSHZ3BOHF 8TM NT4RVBSF8BWF
Operating Ambient Temperature Range (TA)
Storage Temperature Range (TSTG)
Temperature Coefficient (aV) of Clamping Voltage (VC) at Specified Test Current
Hi-Pot Encapsulation ( COATING Isolation Voltage Capability)
COATING Insulation Resistance
UltraMOV™ Series
130 to 625V
1,750 to 10,000
12.5 to 400
UP 
UP 
<0.01
2500
Units
V
A
J
OC
OC
%/OC
V
MΩ
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.
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov.html
for the most current information.
15
Revised: April 7, 2008
UltraMOV™ Varistor Series

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Varistor Products
Radial Lead Varistors > UltraMOV series
UltraMOV™ Series Ratings & Specifications
Lead-Free and RoHS
Compliant Models
Part
Number
Branding
V07E130P
V10E130P
V14E130P
V20E130P
V07E140P
V10E140P
V14E140P
V20E140P
V07E150P
V10E150P
V14E150P
V20E150P
V07E175P
V10E175P
V14E175P
V20E175P
V07E230P
V10E230P
V14E230P
V20E230P
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
P7V130
P10V130
P14V130
P20V130
P7V140
P10V140
P14V140
P20V140
P7V150
P10V150
P14V150
P20V150
P7V175
P10V175
P14V175
P20V175
P7V230
P10V230
P14V230
P20V230
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
Standard
Models
Part
Number
Branding
V07E130
V10E130
V14E130
V20E130
V07E140
V10E140
V14E140
V20E140
V07E150
V10E150
V14E150
V20E150
V07E175
V10E175
V14E175
V20E175
V07E230
V10E230
V14E230
V20E230
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
7V130
10V130
14V130
20V130
7V140
10V140
14V140
20V140
7V150
10V150
14V150
20V150
7V175
10V175
14V175
20V175
7V230
10V230
14V230
20V230
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
Maximum Rating (85°C)
Continuous
Transient
RMS DC Energy
Volts Volts 2ms
Peak Current
8 x 20 μs
VM(AC)
(V)
130
130
130
130
140
140
140
140
150
150
150
150
175
175
175
175
230
230
230
230
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
VM(DC)
(V)
170
170
170
170
180
180
180
180
200
200
200
200
225
225
225
225
300
300
300
300
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
WTM
(J)
12.5
25
50
100
13.5
27.5
55
110
15
30
60
120
17
35
70
135
20
42
80
160
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
1ITMx
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
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
3500
6000
10000
1750
2ITMx
Pulse
(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
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
2500
4500
6500
1200
UltraMOV™ Varistor Series
16
Revised: April 7, 2008
SPECIFICATIONS (25°C)
Varistor
Voltage at
1mA DCTest
Current
Maximum
Clamping
Voltage
8 x 20 μs
Typical
Capaci-
tance
VMNiOnM
VMNaOxM
VC
IPK f = 1MHz
(V) (V) (V) (A)
184 226 340
10
184 226 340 25
184 226 340 50
184 226 340 100
200 240 360
10
200 240 360 25
200 240 360 50
200 240 360 100
216 264 395
10
216 264 395 25
216 264 395 50
216 264 395 100
243 297 455
10
243 297 455 25
243 297 455 50
243 297 455 100
324 396 595
10
324 396 595 25
324 396 595 50
324 396 595 100
351 429 650
10
351 429 650 25
351 429 650 50
351 429 650 100
387 473 710
10
387 473 710 25
387 473 710
50
387 473 710 100
423 517 775
10
423 517 775 25
423 517 775 50
423 517 775 100
459 561 840
10
459 561 840 25
459 561 840 50
459 561 840 100
558 682 1025 10
558 682 1025 25
558 682 1025 50
558 682 1025 100
612 748 1120 10
612 748 1120 25
612 748 1120 50
612 748 1120 100
643 787 1180 10
643 787 1180 25
643 787 1180 50
643 787 1180 100
675 825 1240 10
(pF)
180
450
1000
1900
160
400
900
1750
150
360
800
1600
130
350
700
1400
100
250
550
1100
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
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov.html
for the most current information.

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Varistor Products
Radial Lead Varistors > UltraMOV series
UltraMOV™ Series Ratings & Specifications (Continued...)
Lead-Free and RoHS
Compliant Models
Part
Number
Branding
V10E460P
V14E460P
V20E460P
V10E510P
V14E510P
V20E510P
V10E550P
V14E550P
V20E550P
V10E625P
V14E625P
V20E625P
P10V460
P14V460
P20V460
P10V510
P14V510
P20V510
P10V550
P14V550
P20V550
P10V625
P14V625
P20V625
Standard
Models
Part
Number
Branding
V10E460
V14E460
V20E460
V10E510
V14E510
V20E510
V10E550
V14E550
V20E550
V10E625
V14E625
V20E625
10V460
14V460
20V460
10V510
14V510
20V510
10V550
14V550
20V550
10V625
14V625
20V625
Maximum Rating (85°C)
Continuous
Transient
RMS DC Energy
Volts Volts 2ms
Peak Current
8 x 20 μs
VM(AC)
(V)
460
460
460
510
510
510
550
550
550
625
625
625
VM(DC)
(V)
615
615
615
670
670
670
745
745
745
825
825
825
WTM
(J)
90
180
360
80
165
325
90
180
360
100
200
400
1ITMx
Pulse
(A)
3500
6000
10000
3500
6000
10000
3500
6000
10000
3500
6000
10000
2ITMx
Pulse
(A)
2500
4500
6500
2500
4500
6500
2500
4500
6500
2500
4500
6500
SPECIFICATIONS (25°C)
Varistor
Voltage at
1mA DCTest
Current
Maximum
Clamping
Voltage
8 x 20 μs
Typical
Capaci-
tance
VMNiOnM
VMNaOxM
VC
IPK f = 1MHz
(V) (V) (V)
675 825 1240
675 825 1240
675 825 1240
738 902 1355
738 902 1355
738 902 1355
819 1001 1500
819 1001 1500
819 1001 1500
900 1100 1650
900 1100 1650
900 1100 1650
(A)
25
50
100
25
50
100
25
50
100
25
50
100
(pF)
120
220
400
110
200
350
100
180
300
90
160
250
NOTE:
 "WFSBHFQPXFSEJTTJQBUJPOPGUSBOTJFOUTTIPVMEOPUFYDFFE8 8 8BOE8GPSNN NN NN BOENNNPEFMTJ[FT SFTQFDUJWFMZ
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 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 above. 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.
Current Energy and Power Derating Curve
Peak Pulse Current Test Waveform
100
90
50
10
O1
T
T1
T2
TIME
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)
O1 = Virtual Origin of Wave
T = Time From 10% to 90% of Peak
T1 = Virtual Front '! +t
T2 = VirtualTime to Half Value (Impulse Duration)
Example: For an 8/20μs Current Waveform:
8μs = T1 = Virtual Front Time
20μs = T2 = Virtual Time to Half Value
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov.html
for the most current information.
17
Revised: April 7, 2008
UltraMOV™ Varistor Series

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Varistor Products
Radial Lead Varistors > UltraMOV series
Transient V-I Characteristics Curves
Maximum Clamping Voltage for 7mm Parts
t 7& 1 7& 1
10000
MODEL SIZE = 7MM
TA = -55oC TO 85oC
130 to 460V M(AC) RATING
1000
MAXIMUM
LEAKAGE
420 440 460
MAXIMUM CLAMP
VOLTAGE
300
320
385
230
250
275
100
10-6
10-5
10-4
0.001
130 140 150 175
0.01 0.1
1
PEAK CURRENT (A)
10
100
1000
10000
Maximum Clamping Voltage for 10mm Parts
t7& 1 7& 1
10000
MODEL SIZE = 10MM
TA = -55oC TO 85oC
130 to 625VM(AC) RATING
1000
MAXIMUM
LEAKAGE
MAXIMUM CLAMP
VOLTAGE
510
550
625
460 440 420
300
320
385
230
250
275
130 140 150 175
100
10-6
10-5
10-4
0.001
0.01
0.1
1
PEAK CURRENT (A)
10
100
1000
10000
Maximum Clamping Voltage for 14mm Parts
t 7& 1 7& 1
10000
MODEL SIZE = 14MM
TA = -55oC TO 85oC
130 to 625VM(AC) RATING
1000
MAXIMUM
LEAKAGE
MAXIMUM CLAMP
VOLTAGE
510
550
625
460 440 420
300
320
385
230
250
275
UltraMOV™ Varistor Series
130 140 150 175
100
10-6
10-5
10-4 0.001
0.01 0.1
1
PEAK CURRENT (A)
18
Revised: April 7, 2008
10
100
1000
10000
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov.html
for the most current information.

No Preview Available !

Varistor Products
Radial Lead Varistors > UltraMOV series
Transient V-I Characteristics Curves (Continued...)
Maximum Clamping Voltage for 20mm Parts
t7& 1 7& 1
10000
MODEL SIZE = 20MM
TA = -55oC TO 85oC
130 to 625VM(AC) RATING
1000
MAXIMUM
LEAKAGE
MAXIMUM CLAMP
VOLTAGE
510
550
625
460 440 420
300
320
385
230
250
275
130 140 150 175
100
10-6 10-5 10-4 0.001 0.01
0.1
1
PEAK CURRENT (A)
10
100
1000
10000
Pulse Rating Curves
Repetetive Surge Capability for 7mm Parts
t 7& 1 7& 1
10000
1000
1
2
10
102
103
100

10
104 105
106
MODEL SIZE = 7MM
TA = -55oC TO 85oC
130 to 460VM(AC) RATING
1
10
100
1000
10000
IMPULSE DURATION (μs)
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ultramov.html
for the most current information.
19
Revised: April 7, 2008
UltraMOV™ Varistor Series