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. 110-1903
Mfr. Part No.ERZV07D201
BrandPanasonic
$198.38
1 Bag of 1000
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
RS Stock No. 720-9822
Mfr. Part No.ERZV07D201
BrandPanasonic
$0.202
Each (In a Pack of 10)
units
200V 130V 170V 340V 10A 17.5J ZNR 8.5mm 1750A 200pF - - 4.4mm 8.5 (Dia.) x 4.4mm
RS Stock No. 106-9873
Mfr. Part No.ERZV07D201
BrandPanasonic
$198.38
1 Bag of 1000
Bag(s)
200V 130V 170V 340V - - ZNR - 1750A 200pF - - - 8.5 (Dia.) x 4.4mm
RS Stock No. 764-0822
Mfr. Part No.EZJS2VB223
BrandPanasonic
$0.821
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. 177-5909
Mfr. Part No.EZJS2VB223
BrandPanasonic
$0.427
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. 106-9931
Mfr. Part No.ERZV20D431
BrandPanasonic
$1,242.60
1 Bag of 1000
Bag(s)
430V 275V 350V 710V - - ZNR - 10000A - - - - 21.5 (Dia.) x 6.4mm
RS Stock No. 110-1961
Mfr. Part No.ERZV20D431
BrandPanasonic
$1,308.00
1 Bag of 1000
Bag(s)
430V 275V 350V 710V - - ZNR - 10000A - - - - 21.5 (Dia.) x 6.4mm
RS Stock No. 721-0049
Mfr. Part No.ERZV20D431
BrandPanasonic
$2.84
Each (In a Pack of 2)
units
430V 275V 350V 710V 100A - ZNR 21.5mm 10000A - - - - 21.5 (Dia.) x 6.4mm
RS Stock No. 106-9916
Mfr. Part No.ERZV20D180
BrandPanasonic
$1,090.00
1 Bag of 1000
Bag(s)
18V 11V 14V 36V - - ZNR - 3000A 40nF - - - 21.5 (Dia.) x 5.1mm
RS Stock No. 110-1947
Mfr. Part No.ERZV20D180
BrandPanasonic
$1,090.00
1 Bag of 1000
Bag(s)
18V 11V 14V 36V - - ZNR - 3000A 40nF - - - 21.5 (Dia.) x 5.1mm
RS Stock No. 720-9989
Mfr. Part No.ERZV20D180
BrandPanasonic
$2.29
Each (In a Pack of 2)
units
18V 11V 14V 36V 20A 13J ZNR 21.5mm 3000A 40nF - - 5.1mm 21.5 (Dia.) x 5.1mm
RS Stock No. 720-9800
Mfr. Part No.ERZV07D560
BrandPanasonic
$0.309
Each (In a Pack of 10)
units
56V 35V 45V 110V 2.5A 3.4J ZNR 8.5mm 500A 1.5nF - - 5mm 8.5 (Dia.) x 5mm
RS Stock No. 106-9871
Mfr. Part No.ERZV07D560
BrandPanasonic
$178.54
1 Bag of 1000
Bag(s)
56V 35V 45V 110V - - ZNR - 500A 1.5nF - - - 8.5 (Dia.) x 5mm
RS Stock No. 720-9973
Mfr. Part No.ERZV14D391
BrandPanasonic
$0.724
Each (In a Pack of 5)
units
390V 250V 320V 650V 50A - ZNR 15.5mm 6000A 500pF - - - 15.5 (Dia.) x 5.8mm
RS Stock No. 110-1901
Mfr. Part No.ERZV07D560
BrandPanasonic
$178.54
1 Bag of 1000
Bag(s)
56V 35V 45V 110V - - ZNR - 500A 1.5nF - - - 8.5 (Dia.) x 5mm
RS Stock No. 110-1944
Mfr. Part No.ERZV14D391
BrandPanasonic
$357.52
1 Bag of 1000
Bag(s)
390V 250V 320V 650V - - ZNR - 6000A 500pF - - - 15.5 (Dia.) x 5.8mm
RS Stock No. 720-9942
Mfr. Part No.ERZV14D151
BrandPanasonic
$0.636
Each (In a Pack of 5)
units
150V 95V 125V 250V 50A - ZNR 15.5mm 6000A 2.2nF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 817-3544
Mfr. Part No.ERZHF2M270
BrandPanasonic
$2.036
Each (In a Pack of 5)
units
27V - 16V 43V 5A - HF - - - 8mm 6.4mm 4.5mm 8 x 6.4 x 4.5mm
RS Stock No. 110-1935
Mfr. Part No.ERZV14D151
BrandPanasonic
$327.00
1 Bag of 1000
Bag(s)
150V 95V 125V 250V - - ZNR - 6000A 2.2nF - - - 15.5 (Dia.) x 5.2mm
RS Stock No. 106-9904
Mfr. Part No.ERZV14D151
BrandPanasonic
$327.00
1 Bag of 1000
Bag(s)
150V 95V 125V 250V - - ZNR - 6000A 2.2nF - - - 15.5 (Dia.) x 5.2mm