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. 851-8341
Mfr. Part No.MOV-14D561K
BrandBourns
$0.90
Each
units
560V - 460V 925V 50A 125J MOV-14D 16.5mm - 360pF - - 6mm 16.5 (Dia.) x 6mm
RS Stock No. 851-8335
Mfr. Part No.MOV-14D471K
BrandBourns
$0.83
Each
units
470V - 385V 775V 50A 125J MOV-14D 16.5mm - 430pF - - 5.4mm 16.5 (Dia.) x 5.4mm
RS Stock No. 851-8322
Mfr. Part No.MOV-14D431K
BrandBourns
$0.82
Each
units
430V - 350V 710V 50A 115J MOV-14D 16.5mm - 460pF - - 5.2mm 16.5 (Dia.) x 5.2mm
RS Stock No. 173-9269
Mfr. Part No.MOV-14D431K
BrandBourns
$0.301
Each (In a Bag of 600)
units
430V - 350V 710V 50A 115J MOV-14D 16.5mm - 460pF - - 5.2mm 16.5 (Dia.) x 5.2mm
RS Stock No. 851-8382
Mfr. Part No.MOV-20D431K
BrandBourns
$1.00
Each
units
430V - 350V 710V 100A 190J MOV-20D 23mm - 930pF - - 5.6mm 23 (Dia.) x 5.6mm
New
RS Stock No. 204-8790
Mfr. Part No.ZV25K0805121NIR1HT
BrandBourns
$0.194
Each (In a Pack of 25)
units
39V 25V 31V 65V 1A - ZVHT - - 260pF - - - -
New
RS Stock No. 204-8770
Mfr. Part No.ZV17K0805121NIR1HT
BrandBourns
$0.194
Each (In a Pack of 25)
units
27V 17V 22V 44V 1A - ZVHT - - 315pF - - - -
RS Stock No. 186-2045
Mfr. Part No.GMOV-14D231K
BrandBourns
$1.771
Each (In a Bag of 400)
units
230 Vrms, 300 V dc 230Vrms 300V 620V 6000A 130J GMOV 16.5mm - 4pF - - 8mm 16.5 Dia. x 8mm
New
RS Stock No. 204-8797
Mfr. Part No.ZV25K1812801NIR1HT
BrandBourns
$0.691
Each (In a Pack of 10)
units
39V 25V 31V 65V 5A - ZVHT - - 2.3nF - - - -
New
RS Stock No. 204-8669
Mfr. Part No.DV75K4032R2
BrandBourns
$0.583
Each (On a Reel of 2000)
units
120V - - 200V 10A - DV - - 480pF - - - -
New
RS Stock No. 204-8825
Mfr. Part No.ZV40K2220102NIR1HT
BrandBourns
$0.713
Each (On a Reel of 1000)
units
68V 40V 56V 110V 10A - ZVHT - - 2.2nF - - - -
New
RS Stock No. 204-8791
Mfr. Part No.ZV25K1206201NIR1HT
BrandBourns
$0.188
Each (On a Reel of 2500)
units
39V 25V 31V 65V 1A - ZVHT - - 510pF - - - -
New
RS Stock No. 204-8750
Mfr. Part No.ZV11K0603300NIR1HT
BrandBourns
$0.119
Each (In a Pack of 50)
units
18V 11V 14V 33V 1A - ZVHT - - 210pF - - - -
New
RS Stock No. 204-8725
Mfr. Part No.PV150K4032R2
BrandBourns
$0.432
Each (On a Reel of 1000)
units
240V - - 395V 10A - PV - - 140pF - - - -
RS Stock No. 690-9953
Mfr. Part No.CG0603MLU-12E
BrandBourns
$0.557
Each (In a Pack of 25)
units
- - 12V 25V - - MLU - - 0.05pF 1.6mm 0.8mm - 1.6 x 0.8mm
New
RS Stock No. 204-8779
Mfr. Part No.ZV20K1206201NIR1HT
BrandBourns
$0.292
Each (In a Pack of 25)
units
33V 20V 26V 54V 1A - ZVHT - - 620pF - - - -
New
RS Stock No. 204-8729
Mfr. Part No.PV175K4032R2
BrandBourns
$0.432
Each (On a Reel of 1000)
units
270V - - 455V 10A - PV - - 120pF - - - -
RS Stock No. 186-2149
Mfr. Part No.GMOV-20D650K
BrandBourns
$3.354
Each (In a Pack of 5)
units
65 Vrms, 85 V dc 65Vrms 85V 185V 10000A 70J GMOV 23mm - 4pF - - 9mm 23 Dia. x 9mm
New
RS Stock No. 204-8774
Mfr. Part No.ZV20K0603300NIR1HT
BrandBourns
$0.082
Each (On a Reel of 3500)
units
33V 20V 26V 54V 1A - ZVHT - - 175pF - - - -
New
RS Stock No. 204-8777
Mfr. Part No.ZV20K0805121NIR1HT
BrandBourns
$0.194
Each (In a Pack of 25)
units
33V 20V 26V 54V 1A - ZVHT - - 290pF - - - -