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. 178-093
Mfr. Part No.VDRS07H130BSE
BrandVishay
TWD23.60
Each (In a Pack of 5)
units
205V 130V 170V 340V 10A 17J VDRS - E 9mm 1200A 320pF - - 4.2mm 9 (Dia.) x 4.2mm
RS Stock No. 173-0359
Mfr. Part No.MLV0805E31103T
BrandVishay
TWD4.00
Each (On a Reel of 4000)
units
16.5 → 20.3V 11V 14V 30V 1A 0.1J MLV - E3 - 3T - 40A 280pF 2mm 1.25mm - -
RS Stock No. 538-0761
Mfr. Part No.VDRS10P275BSE
BrandVishay
TWD27.00
Each
units
430V 275V 350V 710V 25A 63J NTCLE100E3 13.5mm 2500A 270pF - - 5.4mm 13.5 (Dia.) x 5.4mm
RS Stock No. 179-3942
Mfr. Part No.VDRS07H060BSE
BrandVishay
TWD14.10
Each (In a Bag of 50)
units
100V 60V 85V 165V 10A 8.3J VDRS 9mm 1200A 700pF - - 4.1mm 9 Dia. x 4.1mm
RS Stock No. 684-0882
Mfr. Part No.MLV0805E32503T
BrandVishay
TWD10.60
Each (In a Pack of 25)
units
37 → 46V 25V 30V 65V 1A 0.1J MLV - E3 - 3T - 30A 80pF 2mm 1.25mm - -
RS Stock No. 179-3831
Mfr. Part No.VDRS05C275BSE
BrandVishay
TWD13.30
Each (In a Box of 250)
units
430V 275V 350V 710V 5A 12J VDRS 7mm 400A 55pF - - 4.9mm 7 Dia. x 4.9mm
RS Stock No. 179-3932
Mfr. Part No.VDRS05C275BSE
BrandVishay
TWD14.60
Each (In a Bag of 50)
units
430V 275V 350V 710V 5A 12J VDRS 7mm 400A 55pF - - 4.9mm 7 Dia. x 4.9mm
RS Stock No. 179-3835
Mfr. Part No.VDRS14T275BSE
BrandVishay
TWD21.00
Each (In a Box of 100)
units
430V 275V 350V 710V 50A 104J VDRS 16.5mm 4500A 440pF - - 5.4mm 16.5 Dia. x 5.4mm
RS Stock No. 179-3834
Mfr. Part No.VDRS07H275BSE
BrandVishay
TWD11.90
Each (In a Box of 250)
units
430V 275V 350V 710V 10A 36J VDRS 9mm 1200A 140pF - - 4.9mm 9 Dia. x 4.9mm
RS Stock No. 173-1279
Mfr. Part No.VDRS10P275BSE
BrandVishay
TWD15.80
Each (In a Bag of 250)
units
430V 275V 350V 710V 25A 63J NTCLE100E3 13.5mm 2500A 270pF - - 5.4mm 13.5 (Dia.) x 5.4mm
RS Stock No. 178-122
Mfr. Part No.VDRS07H060BSE
BrandVishay
TWD20.00
Each (In a Pack of 5)
units
100V 60V 85V 165V 10A 8.3J VDRS - E 9mm 1200A 700pF - - 4.1mm 9 (Dia.) x 4.1mm
RS Stock No. 684-0839
Mfr. Part No.MLV0402E30403T
BrandVishay
TWD11.90
Each (In a Pack of 25)
units
7.1 → 9.3V 4V 5.6V 15.5V 1A 0.05J MLV - E3 - 3T - 20A 360pF 1mm 0.5mm - -
RS Stock No. 179-3954
Mfr. Part No.VDRS07H275BSE
BrandVishay
TWD14.70
Each (In a Bag of 50)
units
430V 275V 350V 710V 10A 36J VDRS 9mm 1200A 140pF - - 4.9mm 9 Dia. x 4.9mm
RS Stock No. 179-3833
Mfr. Part No.VDRS07H060BSE
BrandVishay
TWD10.70
Each (In a Box of 250)
units
100V 60V 85V 165V 10A 8.3J VDRS 9mm 1200A 700pF - - 4.1mm 9 Dia. x 4.1mm
RS Stock No. 173-0365
Mfr. Part No.MLV0402E30403T
BrandVishay
TWD3.80
Each (On a Reel of 10000)
units
7.1 → 9.3V 4V 5.6V 15.5V 1A 0.05J MLV - E3 - 3T - 20A 360pF 1mm 0.5mm - -
RS Stock No. 173-3599
Mfr. Part No.MLV0805E32503T
BrandVishay
TWD4.00
Each (On a Reel of 4000)
units
37 → 46V 25V 30V 65V 1A 0.1J MLV - E3 - 3T - 30A 80pF 2mm 1.25mm - -
RS Stock No. 178-059
Mfr. Part No.VDRS05C460BSE
BrandVishay
TWD19.20
Each (In a Pack of 5)
units
750V 460V 615V 1200V 5A 21J VDRS - E 7mm 400A 30pF - - 6.4mm 7 (Dia.) x 6.4mm
RS Stock No. 173-3561
Mfr. Part No.MLV0402E31403T
BrandVishay
TWD2.00
Each (On a Reel of 10000)
units
23 → 28V 14V 18V 40V 1A 0.05J MLV - E3 - 3T - 20A 90pF 1mm 0.5mm - -
RS Stock No. 229-056
Mfr. Part No.VDRS10P275BSE
BrandVishay
TWD26.60
Each (In a Pack of 5)
units
430V 275V 350V 710V 25A 63J NTCLE100E3 13.5mm 2500A 270pF - - 5.4mm 13.5 (Dia.) x 5.4mm
RS Stock No. 684-0845
Mfr. Part No.MLV0402E31403T
BrandVishay
TWD12.60
Each (In a Pack of 25)
units
23 → 28V 14V 18V 40V 1A 0.05J MLV - E3 - 3T - 20A 90pF 1mm 0.5mm - -