Metal Oxide Varistors

What are they?
Metal Oxide Varistors, more commonly known as ’MOVs’ are devices that provide excellent transient voltage suppression. They are a type of non-linear device that feature similar characteristics to Zener diodes. They are used to protect vulnerable electronic circuits and components from overvoltage conditions that can cause damage. Any potentially destructive overvoltage energy is dissipated as heat.
Construction:
Metal oxide varistors are typically constructed from zinc oxide and combined with small additions of other metal oxides such as cobalt, magnese or bismuth. These materials are sintered into ceramic casings during manufacture. Although MOVs are available in different formats, they are most commonly radial leaded discs.
Applications:
• Suppression of lightning and other high levels of transient energy
• Low voltage power supplies in DC circuits
• Low voltage power supply in automotive applications
• Protection from internal transients within capacitor discharges, relay switching and inductive load switching

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Description Price Varistor Voltage Maximum AC Voltage Rating Maximum DC Voltage Rating Clamping Voltage Clamping Current Energy Series Diameter Maximum Surge Current Capacitance Length Depth Thickness Dimensions
RS Stock No. 173-9269
Mfr. Part No.MOV-14D431K
BrandBourns
MYR0.703
Each (In a Bag of 600)
units
430V - 350V 710V 50A 115J MOV-14D 16.5mm - 460pF - - 5.2mm 16.5 (Dia.) x 5.2mm
RS Stock No. 769-1552
Mfr. Part No.B72220P3621K101
BrandEPCOS
MYR7.53
Each (In a Pack of 10)
units
1000V 625V 825V - 10000A 540J S20 23mm - 500pF - - 10.3mm 23 (Dia.) x 10.3mm
RS Stock No. 106-9880
Mfr. Part No.ERZV10D330
BrandPanasonic
MYR636.86
1 Bag of 1000
Bag(s)
33V 20V 26V 65V - - ZNR - 1000A 6.3nF - - - 11.5 (Dia.) x 5mm
RS Stock No. 769-1524
Mfr. Part No.B72214S0321K101
BrandEPCOS
MYR1.57
Each (In a Pack of 10)
units
510V 320V 420V - 4500A 84J StandarD 15.5mm - 280pF - - 5.4mm 15.5 (Dia.) x 5.4mm
RS Stock No. 106-9895
Mfr. Part No.ERZV10D471
BrandPanasonic
MYR638.00
1 Bag of 1000
Bag(s)
470V 300V 385V 775V - - ZNR - 3500A 230pF - - - 11.5 (Dia.) x 6.2mm
RS Stock No. 439-653
Mfr. Part No.ERZV10D471
BrandPanasonic
MYR1.045
Each (In a Pack of 10)
units
470V 300V 385V 775V 25A 85J - 11.5mm 3500A 230pF - - 6.2mm 11.5 (Dia.) x 6.2mm
RS Stock No. 785-8720
Mfr. Part No.ERZE05A431
BrandPanasonic
MYR1.18
Each (In a Pack of 25)
units
430V 275V 350V 710V 10A 29J ZNR 7mm 1200A 120pF - - 6.1mm 7 x 6.1mm
RS Stock No. 720-9908
Mfr. Part No.ERZV10D471
BrandPanasonic
MYR1.10
Each (In a Pack of 10)
units
470V 300V 385V 775V 25A - ZNR 11.5mm 3500A 230pF - - - 11.5 (Dia.) x 6.2mm
RS Stock No. 167-8514
Mfr. Part No.B72240B0381K001
BrandEPCOS
MYR222.443
Each (In a Box of 10)
units
620V 385V 505V 1025V 300A 800J HighE - 40000A 1.9nF 60mm 14mm - -
RS Stock No. 800-7084
Mfr. Part No.V33ZA1P
BrandLittelfuse
MYR0.947
Each (In a Pack of 25)
units
36.5V 20V 26V 65V 2.5A 1.2J ZA 9mm 250A 1.62nF - - 5mm 9 (Dia.) x 5mm
RS Stock No. 764-0822
Mfr. Part No.EZJS2VB223
BrandPanasonic
MYR1.87
Each (In a Pack of 10)
units
12V - 6V - - - EZJS - 25A 22nF 2mm 1.25mm - 2 x 1.25 x 1.25mm
RS Stock No. 170-9989
Mfr. Part No.V56ZA8P
BrandLittelfuse
MYR1.123
Each (In a Bag of 700)
units
50 → 62V 35V 45V 110V 10A 10J ZA 17mm 1000A 4.84nF - - 5mm 17 (Dia.) x 5mm
RS Stock No. 171-0005
Mfr. Part No.V33ZA1P
BrandLittelfuse
MYR548.80
1 Bag of 1500
Bag(s)
36.5V 20V 26V 65V 2.5A 1.2J ZA 9mm 250A 1.62nF - - 5mm 9 (Dia.) x 5mm
RS Stock No. 110-1926
Mfr. Part No.ERZV14D220
BrandPanasonic
MYR968.04
1 Bag of 1000
Bag(s)
22V 14V 18V 43V - - ZNR - 2000A 20nF - - - 15.5 (Dia.) x 4.7mm
RS Stock No. 760-7052
Mfr. Part No.V56ZA8P
BrandLittelfuse
MYR2.47
Each (In a Pack of 5)
units
50 → 62V 35V 45V 110V 10A 10J ZA 17mm 1000A 4.84nF - - 5mm 17 (Dia.) x 5mm
RS Stock No. 106-9896
Mfr. Part No.ERZV14D220
BrandPanasonic
MYR968.04
1 Bag of 1000
Bag(s)
22V 14V 18V 43V - - ZNR - 2000A 20nF - - - 15.5 (Dia.) x 4.7mm
RS Stock No. 177-5909
Mfr. Part No.EZJS2VB223
BrandPanasonic
MYR2.056
Each (On a Reel of 2000)
units
12V - 6V - - - EZJS - 25A 22nF 2mm 1.25mm - 2 x 1.25 x 1.25mm
RS Stock No. 291-3510
Mfr. Part No.B72240B0381K001
BrandEPCOS
MYR112.92
Each
units
620V 385V 505V 1025V 300A 800J HighE - 40000A 1.9nF 60mm 14mm - -
RS Stock No. 439-922
Mfr. Part No.ERZV20D511
BrandPanasonic
MYR4.58
Each (In a Pack of 10)
units
510V 320V 410V 845V 100A 382J - 21.5mm 10000A 800pF - - 6.8mm 21.5 (Dia.) x 6.8mm
RS Stock No. 720-9910
Mfr. Part No.ERZV14D220
BrandPanasonic
MYR2.13
Each (In a Pack of 5)
units
22V 14V 18V 43V 10A 6.3J ZNR 15.5mm 2000A 20nF - - 4.7mm 15.5 (Dia.) x 4.7mm
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