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. 204-1801
Mfr. Part No.B72207S0140K101
BrandEPCOS
MYR0.966
Each (In a Pack of 5)
units
22V 14V 18V 43V 2.5A 0.9J Standard 9mm 250A 2.3nF - - 3.5mm 9 (Dia.) x 3.5mm
New
RS Stock No. 187-7630
Mfr. Part No.VLAS060316A350DP
BrandAVX
MYR0.64
Each (In a Pack of 50)
units
11 V ac, 16 V dc 11V 16V 35V - 0.1J VLAS - 50A 400pF 1.6mm 0.8mm 0.9mm 1.6 x 0.8 x 0.9mm
RS Stock No. 138-9307
Mfr. Part No.B72214S0381K101
BrandEPCOS
MYR1.57
Each (In a Bag of 25)
units
620V 385Vrms 505V 1025V 50A 80J Standard - 4500A 315pF 15.5mm 19mm 5.9mm 15.5 x 5.9 x 19mm
RS Stock No. 204-2090
Mfr. Part No.B72210S0131K101
BrandEPCOS
MYR2.21
Each (In a Pack of 5)
units
205V 130V 170V 340V 25A 19J Standard 12mm 2500A 400pF - - 4.2mm 12 (Dia.) x 4.2mm
RS Stock No. 720-9724
Mfr. Part No.ERZV05D180
BrandPanasonic
MYR1.32
Each (In a Pack of 10)
units
18V 11V 14V 40V 1A - ZNR 7mm 250A 1.6nF - - - 7 (Dia.) x 4.5mm
RS Stock No. 876-8136
Mfr. Part No.V10E130
BrandLittelfuse
MYR1.436
Each (In a Pack of 50)
units
225.5V 130V 170V 340V - - UltraMOV - 3500A 450pF - - - 12.5 (Dia.) x 16mm
RS Stock No. 167-4469
Mfr. Part No.CG0402MLU-24G
BrandBourns
MYR0.901
Each (On a Reel of 10000)
units
- - 24V 25V - - MLU - - 0.05pF 1mm 0.5mm - 1 x 0.5mm
RS Stock No. 106-9893
Mfr. Part No.ERZV10D391
BrandPanasonic
MYR739.58
1 Bag of 1000
Bag(s)
390V 250V 320V 650V - - ZNR - 3500A 300pF - - - 11.5 (Dia.) x 5.8mm
RS Stock No. 439-792
Mfr. Part No.ERZV14D621
BrandPanasonic
MYR2.58
Each (In a Pack of 10)
units
620V 385V 505V 1025V 50A 190J - 16mm 5000A 330pF - - 7.1mm 16 (Dia.) x 7.1mm
RS Stock No. 800-7129
Mfr. Part No.V18MLA0805H
BrandLittelfuse
MYR1.75
Each (In a Pack of 10)
units
28V 14V 18V 44V 1A 0.3J ML - 120A 520pF 2.01mm 1.1mm 1.25mm 2.01 x 1.25 x 1.1mm
RS Stock No. 769-1997
Mfr. Part No.B72650M0301K072
BrandEPCOS
MYR3.80
Each (In a Pack of 5)
units
470V 300Vrms 385V 775V 5A - CU - 400A 45pF 8mm 6.3mm 4.5mm 8 x 6.3 x 4.5mm
RS Stock No. 439-499
Mfr. Part No.ERZV05D221
BrandPanasonic
MYR1.263
Each (In a Pack of 10)
units
220V 140V 180V 380V 5A 9J - 7mm 800A 110pF - - 4.5mm 7 (Dia.) x 4.5mm
New
RS Stock No. 187-7627
Mfr. Part No.VTA7080531C650DP
BrandAVX
MYR1.152
Each (In a Pack of 25)
units
25 V ac, 31 V dc 25V 31V 65V - 0.3J VT - 80A 275pF 2.01mm 1.25mm 1.02mm 2.01 x 1.25 x 1.02mm
RS Stock No. 2508486424
Mfr. Part No.S20K510
BrandEPCOS
MYR4.65
Each
units
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RS Stock No. 2508485392
Mfr. Part No.S20K130E2
BrandEPCOS
MYR2.74
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2508485437
Mfr. Part No.S07K140
BrandEPCOS
MYR0.56
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2508485516
Mfr. Part No.B32K150
BrandEPCOS
MYR64.96
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2508484260
Mfr. Part No.B80K130
BrandEPCOS
MYR576.30
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2508485320
Mfr. Part No.S10K95
BrandEPCOS
MYR0.84
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2508486222
Mfr. Part No.S14K385
BrandEPCOS
MYR1.61
Each
units
- - - - - - - - - - - - - -
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