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. 186-2051
Mfr. Part No.GMOV-20D500K
BrandBourns
PHP63.73
Each (In a Bag of 250)
units
50 Vrms, 65 V dc 50Vrms 65V 150V 10000A 56J GMOV 23mm - 4pF - - 9mm 23 Dia. x 9mm
RS Stock No. 785-8812
Mfr. Part No.ERZE08A681
BrandPanasonic
PHP9.639
Each (In a Pack of 25)
units
680V 420V 560V 1120V 25A 92J ZNR 11.5mm 3500A 130pF - - 9mm 10.5 x 9.0mm
RS Stock No. 720-9967
Mfr. Part No.ERZV14D271
BrandPanasonic
PHP26.754
Each (In a Pack of 5)
units
270V 175V 225V 455V 50A - ZNR 15.5mm 6000A 640pF - - - 15.5 (Dia.) x 5.2mm
New
RS Stock No. 211-1149
Mfr. Part No.ZV30K1206201NIR1
BrandBourns
PHP11.81
Each (On a Tape of 25)
units
47V 30V 38V 77V 1A - ZV - - 450pF - - - -
RS Stock No. 170-9957
Mfr. Part No.V150LA20BP
BrandLittelfuse
PHP25.94
Each (In a Bag of 500)
units
212 → 243V 150V 200V 360V 100A 80J LA 23mm 6500A 1.6nF - - 5.6mm 23 (Dia.) x 5.6mm
RS Stock No. 167-0166
Mfr. Part No.B72520T0080L062
BrandEPCOS
PHP10.55
Each (On a Reel of 3000)
units
15V 8V 11V 30V 1A 0.5J CT - 200A 1nF 3.2mm 1.6mm - 3.2 x 1.6 x 1.7mm
RS Stock No. 138-6069
Mfr. Part No.B72650M0141K072
BrandEPCOS
PHP25.43
Each (On a Reel of 1000)
units
220V 140V 180V 220V 360A - Standard - 400A 95pF 8mm 6.3mm - 8 x 6.3 x 3.2mm
RS Stock No. 110-1962
Mfr. Part No.ERZVF2M220
BrandPanasonic
PHP35.843
Each (In a Bag of 2000)
units
22V 14V 18V 43V - - ZNR - 125A - 8mm - - -
RS Stock No. 167-4465
Mfr. Part No.CG0402MLC-05LG
BrandBourns
PHP5.083
Each (On a Reel of 10000)
units
- - 5V 25V - - MLC - - 0.5pF 1.6mm 0.8mm - 1.6 x 0.8mm
RS Stock No. 785-8815
Mfr. Part No.ERZE08A751
BrandPanasonic
PHP17.33
Each (In a Pack of 25)
units
750V 460V 615V 1240V 25A 100J ZNR 11.5mm 3500A 130pF - - 9.7mm 10.5 x 9.7mm
RS Stock No. 179-7297
Mfr. Part No.B72225S4151K101
BrandEPCOS
PHP221.60
Each (In a Bag of 5)
units
240V 150V 200V 395V 150A 215J S25 27.5mm 20000A 3250pF - - 5.9mm 27.5 Dia. x 5.9mm
RS Stock No. 138-9287
Mfr. Part No.B72207S0141K101
BrandEPCOS
PHP15.74
Each (In a Bag of 20)
units
220V 140Vrms 180V 360V 10A 10J Standard - 1200A 230pF 9mm 11mm 3.7mm 9 x 3.7 x 11mm
RS Stock No. 187-8328
Mfr. Part No.ERZE14A621S1
BrandPanasonic
PHP49.278
Each (In a Pack of 10)
units
620V 385V 505V 1025V 100A 382J E14-S1 17.5mm 7500A 650pF - - 7.5mm 17.5 Dia. x 7.5mm
New
RS Stock No. 219-0540
Mfr. Part No.DK-ISOMOV-01
BrandBourns
PHP1,889.62
1 Box of 1
Box(es)
- - - - - - DK-ISOMOV - - - - - - -
RS Stock No. 721-0018
Mfr. Part No.ERZV20D101
BrandPanasonic
PHP73.725
Each (In a Pack of 2)
units
100V 60V 85V 165V 100A 70J ZNR 21.5mm 10000A 6.5nF - - 5.1mm 21.5 (Dia.) x 5.1mm
RS Stock No. 775-2799
Mfr. Part No.B72530E0300K062
BrandEPCOS
PHP24.287
Each (In a Pack of 50)
units
42.3 → 51.7V 30V 38V 77V 2.5A 2J - - 300A 1nF 3.2mm 2.5mm - 3.2 x 2.5 x 1.7mm
RS Stock No. 764-0762
Mfr. Part No.EZJP0V080GA
BrandPanasonic
PHP7.61
Each (In a Pack of 100)
units
8V - 5.6V - - - EZJP - 3A 100pF 1mm 0.5mm - 1 x 0.5 x 0.5mm
RS Stock No. 106-9878
Mfr. Part No.ERZV10D180
BrandPanasonic
PHP14.147
Each (In a Bag of 1000)
units
18V 11V 14V 36V - - ZNR - 1000A 16nF - - - 11.5 (Dia.) x 4.6mm
RS Stock No. 209-8084
Mfr. Part No.AV17K1206201NIR1
BrandBourns
PHP10.744
Each (On a Tape of 25)
units
27V 17V ac 20V dc 44V 1A - AV Series - - 810pF - - - -
RS Stock No. 785-8792
Mfr. Part No.ERZE08A431
BrandPanasonic
PHP15.637
Each (In a Pack of 25)
units
430V 275V 350V 710V 25A 80J ZNR 10.5mm 3500A 230pF - - 6.5mm 10.5 x 6.5mm