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 Material Series Diameter Maximum Surge Current Capacitance Length Depth Thickness
RS Stock No. 166-7884
Mfr. Part No.VA100026D580DL
BrandAVX
PHP16.761
Each (On a Reel of 1000)
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34.5V 18V 26V 60V 1A 0.4J Ceramic - 2.54mm 120A 650pF 4.32mm - -
RS Stock No. 167-4467
Mfr. Part No.CG0402MLU-12G
BrandBourns
PHP7.856
Each (On a Reel of 10000)
units
250V - 12V 25V - - Ceramic MLU - - 0.05pF 1mm 0.5mm -
New
RS Stock No. 219-0550
Mfr. Part No.IsoM5-175-B-L2
BrandBourns
PHP56.689
Each (In a Bag of 400)
units
- 175V 225V 470V 100A - - IsoMOV - - 75pF - - -
RS Stock No. 186-2063
Mfr. Part No.GMOV-20D321K
BrandBourns
PHP69.085
Each (In a Bag of 250)
units
320 Vrms, 415 V dc 320Vrms 415V 875V 10000A 360J Metal GMOV 23mm - 4pF - - 9mm
RS Stock No. 289-7042
Mfr. Part No.B72210S0171K101
BrandEPCOS
PHP27.784
Each (In a Pack of 5)
units
270V 175V 225V 455V 25A 28J Metal Standard 12mm 2500A 380pF - - 4.6mm
RS Stock No. 179-7276
Mfr. Part No.B72225S4131K101
BrandEPCOS
PHP167.76
Each (In a Bag of 200)
units
205V 130V 170V 340V 150A 185J Metal S25 27.5mm 20000A 3.8nF - - 5.7mm
RS Stock No. 468-150
Mfr. Part No.B72220Q0301K101
BrandEPCOS
PHP81.292
Each (In a Pack of 5)
units
470V 300V 385V 775V 130A 235J Metal EnergetiQ 22.5mm 15000A 850pF - - 6.1mm
RS Stock No. 204-8738
Mfr. Part No.PV250K4032R2
BrandBourns
PHP26.093
Each (In a Pack of 10)
units
390 250V 320V 650V 10A 25J Plastic PV - 1200A 180pF 10mm - 4.7mm
RS Stock No. 170-9956
Mfr. Part No.V14E275P
BrandLittelfuse
PHP15.543
Each (In a Bag of 700)
units
387 → 473V 275V 350V 710V 50A 110J Metal E 17mm 6000A 450pF 40mm - 7.3mm
RS Stock No. 162-0260
Mfr. Part No.B72660M0271K072
BrandEPCOS
PHP31.21
Each (On a Reel of 1000)
units
430V 275Vrms 350V 710V 10A - Metal CU - 1200A 95pF 10.2mm 8mm 4.5mm
RS Stock No. 171-0003
Mfr. Part No.V275LA4P
BrandLittelfuse
PHP7.203
Each (In a Bag of 1500)
units
473V 275V 369V 710V 10A 23J Metal LA 9mm 1200A 80pF 32mm - 5.6mm
RS Stock No. 110-1894
Mfr. Part No.ERZV05D271
BrandPanasonic
PHP5.87
Each (In a Bag of 1000)
units
270V 175V 225V 475V 5A 11J - V 7mm 800A 90pF - - 4.8mm
RS Stock No. 720-9948
Mfr. Part No.ERZV14D121
BrandPanasonic
PHP25.726
Each (In a Pack of 5)
units
120V 75V 100V 200V 50A 42J - V 15.5mm 6000A 2.7nF 38.5mm - 4.9mm
RS Stock No. 775-2764
Mfr. Part No.B72520E0140K062
BrandEPCOS
PHP14.711
Each (In a Pack of 100)
units
19.8 → 24.2V 14V 18V 38V 1A 0.5J Ceramic Automative E - 200A 700pF 3.2mm 1.6mm -
RS Stock No. 876-8158
Mfr. Part No.V131HB34
BrandLittelfuse
PHP462.54
Each
units
184.5V 130V 175V 205V - 270J Metal HB34 - 40000A 10nF 37mm - 5.7mm
New
RS Stock No. 211-1155
Mfr. Part No.ZV30K2220122NIR1
BrandBourns
PHP62.988
Each (On a Tape of 5)
units
47V 30V 38V 77V 10A - Metal ZV - - 4nF - - -
RS Stock No. 106-9871
Mfr. Part No.ERZV07D560
BrandPanasonic
PHP5.83
Each (In a Bag of 1000)
units
56V 35V 45V 110V 2.5A 3.4J - V 8.5mm 500A 1.5nF 31.5mm - 5mm
RS Stock No. 878-3835
Mfr. Part No.V130LXR1318
BrandLittelfuse
PHP12,395.621
Each (In a Pack of 100)
units
130V 130V 175V 340V - - Metal UltraMOVTM - 10000A 450pF - - -
New
RS Stock No. 211-1169
Mfr. Part No.ZV40K1812601NIR1
BrandBourns
PHP15.589
Each (On a Reel of 1000)
units
68V 40V 56V 110V 5A - Metal ZV - - 1nF - - -
RS Stock No. 876-8189
Mfr. Part No.V151DB40
BrandLittelfuse
PHP2,163.29
Each
units
264V 150V 200V 405V - 300J Metal DB 40mm 40000A 8nF 60.3mm - -