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. 851-8335
Mfr. Part No.MOV-14D471K
BrandBourns
HK$4.35
Each
units
470V - 385V 775V 50A 125J MOV-14D 16.5mm - 430pF - - 5.4mm 16.5 (Dia.) x 5.4mm
New
RS Stock No. 211-1075
Mfr. Part No.AV17K2220122NIR1HT
BrandBourns
HK$4.081
Each (On a Reel of 1000)
units
27V 17V 20V 44V 10A - AVHT - - 8nF - - - -
RS Stock No. 204-8761
Mfr. Part No.ZV14K0805121NIR1HT
BrandBourns
HK$1.046
Each (In a Pack of 25)
units
22V 14V 18V 38V 1A - ZVHT - - 355pF - - - -
New
RS Stock No. 211-1160
Mfr. Part No.ZV35K1812601NIR1
BrandBourns
HK$2.302
Each (On a Reel of 1000)
units
56V 35V 45V 90V 5A - ZV - - 1.34nF - - - -
RS Stock No. 204-8768
Mfr. Part No.ZV17K0603300NIR1HT
BrandBourns
HK$2.241
Each (In a Pack of 50)
units
27V 17V 22V 44V 1A - ZVHT - - 185pF - - - -
RS Stock No. 204-8781
Mfr. Part No.ZV20K1210401NIR1HT
BrandBourns
HK$2.093
Each (In a Pack of 25)
units
33V 20V 26V 54V 3A - ZVHT - - 1.4nF - - - -
New
RS Stock No. 211-1076
Mfr. Part No.AV17K2220122NIR1HT
BrandBourns
HK$6.976
Each (On a Tape of 5)
units
27V 17V 20V 44V 10A - AVHT - - 8nF - - - -
New
RS Stock No. 211-1133
Mfr. Part No.ZV25K0805121NIR1
BrandBourns
HK$0.64
Each (On a Reel of 3500)
units
39V 25V 31V 65V 1A - ZV - - 260pF - - - -
New
RS Stock No. 211-1169
Mfr. Part No.ZV40K1812601NIR1
BrandBourns
HK$2.302
Each (On a Reel of 1000)
units
68V 40V 56V 110V 5A - ZV - - 1nF - - - -
New
RS Stock No. 211-1125
Mfr. Part No.ZV20K1210401NIR1
BrandBourns
HK$1.163
Each (On a Reel of 2500)
units
33V 20V 26V 54V 3A - ZV - - 1.4nF - - - -
New
RS Stock No. 211-1082
Mfr. Part No.AV20K1812801NIR1HT
BrandBourns
HK$4.419
Each (On a Tape of 10)
units
22V 20V 26V 54V 5A - AVHT - - 3.3nF - - - -
New
RS Stock No. 211-1137
Mfr. Part No.ZV25K1210401NIR1
BrandBourns
HK$1.163
Each (On a Reel of 2500)
units
39V 25V 31V 65V 3A - ZV - - 1.06nF - - - -
New
RS Stock No. 211-1084
Mfr. Part No.AV20K2220122NIR1HT
BrandBourns
HK$6.976
Each (On a Tape of 5)
units
22V 20V 26V 54V 10A - AVHT - - 7nF - - - -
RS Stock No. 204-8706
Mfr. Part No.PV95K3225R2
BrandBourns
HK$3.954
Each (In a Pack of 10)
units
150V - - 250V 5A - PV - - 220pF - - - -
New
RS Stock No. 209-8086
Mfr. Part No.AV17K1210401NIR1
BrandBourns
HK$2.093
Each (On a Tape of 25)
units
27V 17V ac 20V dc 44V 2.5A - AV Series - - 2nF - - - -
RS Stock No. 204-8737
Mfr. Part No.PV250K4032R2
BrandBourns
HK$2.326
Each (On a Reel of 1000)
units
390 - - 650V 10A - PV - - 180pF - - - -
RS Stock No. 204-8663
Mfr. Part No.DV60K3225R2
BrandBourns
HK$10.686
Each (In a Pack of 10)
units
100V - 85V 165V 5A - DV - - 300pF - - - -
New
RS Stock No. 211-1123
Mfr. Part No.ZV20K1206201NIR1
BrandBourns
HK$1.744
Each (On a Tape of 25)
units
33V 20V 26V 54V 1A - ZV - - 620pF - - - -
RS Stock No. 204-8792
Mfr. Part No.ZV25K1206201NIR1HT
BrandBourns
HK$2.45
Each (In a Pack of 25)
units
39V 25V 31V 65V 1A - ZVHT - - 510pF - - - -
New
RS Stock No. 209-8107
Mfr. Part No.AV30K2220122NIR1
BrandBourns
HK$6.976
Each (On a Tape of 5)
units
47V 30V ac 34V dc 77V 10A - AV Series - - 6.5nF - - - -