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. 720-9850
Mfr. Part No.ERZV10D330
BrandPanasonic
MYR3.04
Each (In a Pack of 10)
units
33V 20V 26V 65V 5A - ZNR 11.5mm 1000A 6.3nF - - - 11.5 (Dia.) x 5mm
RS Stock No. 785-8720
Mfr. Part No.ERZE05A431
BrandPanasonic
MYR1.191
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. 106-9895
Mfr. Part No.ERZV10D471
BrandPanasonic
MYR643.71
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
MYR1.317
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. 720-9908
Mfr. Part No.ERZV10D471
BrandPanasonic
MYR2.683
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. 764-0822
Mfr. Part No.EZJS2VB223
BrandPanasonic
MYR2.297
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. 106-9896
Mfr. Part No.ERZV14D220
BrandPanasonic
MYR1,040.90
1 Bag of 1000
Bag(s)
22V 14V 18V 43V - - ZNR - 2000A 20nF - - - 15.5 (Dia.) x 4.7mm
RS Stock No. 110-1926
Mfr. Part No.ERZV14D220
BrandPanasonic
MYR1,040.90
1 Bag of 1000
Bag(s)
22V 14V 18V 43V - - ZNR - 2000A 20nF - - - 15.5 (Dia.) x 4.7mm
RS Stock No. 439-922
Mfr. Part No.ERZV20D511
BrandPanasonic
MYR4.362
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. 177-5909
Mfr. Part No.EZJS2VB223
BrandPanasonic
MYR2.211
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. 720-9910
Mfr. Part No.ERZV14D220
BrandPanasonic
MYR2.286
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
RS Stock No. 106-9891
Mfr. Part No.ERZV10D271
BrandPanasonic
MYR773.82
1 Bag of 1000
Bag(s)
270V 175V 225V 455V - - ZNR - 3500A 350pF - - - 11.5 (Dia.) x 5.2mm
RS Stock No. 110-1947
Mfr. Part No.ERZV20D180
BrandPanasonic
MYR3,640.93
1 Bag of 1000
Bag(s)
18V 11V 14V 36V - - ZNR - 3000A 40nF - - - 21.5 (Dia.) x 5.1mm
RS Stock No. 439-619
Mfr. Part No.ERZV10D271
BrandPanasonic
MYR1.648
Each (In a Pack of 10)
units
270V 175V 225V 455V 25A 49J - 11.5mm 3500A 350pF - - 5.2mm 11.5 (Dia.) x 5.2mm
RS Stock No. 720-9917
Mfr. Part No.ERZV14D180
BrandPanasonic
MYR1.334
Each (In a Pack of 5)
units
18V 11V 14V 36V 10A 5.2J ZNR 15.5mm 2000A 25nF - - 4.6mm 15.5 (Dia.) x 4.6mm
RS Stock No. 110-1903
Mfr. Part No.ERZV07D201
BrandPanasonic
MYR623.17
1 Bag of 1000
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
RS Stock No. 785-8972
Mfr. Part No.ERZE14A511
BrandPanasonic
MYR3.98
Each (In a Pack of 5)
units
510V 320V 410V 845V 100A 382J ZNR 16.5mm 10000A 700pF - - 6.6mm 16.5 x 6.6mm
RS Stock No. 106-9898
Mfr. Part No.ERZV14D180
BrandPanasonic
MYR1.041
Each (In a Bag of 1000)
units
18V 11V 14V 36V - - ZNR - 2000A 25nF - - - 15.5 (Dia.) x 4.6mm
RS Stock No. 106-9873
Mfr. Part No.ERZV07D201
BrandPanasonic
MYR747.80
1 Bag of 1000
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
RS Stock No. 720-9894
Mfr. Part No.ERZV10D271
BrandPanasonic
MYR0.921
Each (In a Pack of 10)
units
270V 175V 225V 455V 25A - ZNR 11.5mm 3500A 350pF - - - 11.5 (Dia.) x 5.2mm