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. 138-5690
Mfr. Part No.B72205S0461K101
BrandEPCOS
PHP8.51
Each (In a Box of 1000)
units
750V 460Vrms 615V 1240V 5A 18J Standard - 400A 35pF 7mm 9mm 5.7mm 7 x 5.7 x 9mm
RS Stock No. 170-9949
Mfr. Part No.V1000LA80AP
BrandLittelfuse
PHP20.353
Each (In a Bag of 300)
units
1425 → 1800V 1000V 1200V 2700V 50A 220J LA 17mm 4500A 130pF - - 10.8mm 17 (Dia.) x 10.8mm
RS Stock No. 878-3895
Mfr. Part No.V07E130P
BrandLittelfuse
PHP25.437
Each (In a Pack of 50)
units
225.5V 130V 170V 340V - - UltraMOV - 1750A 180pF - - - 9 (Dia.) x 12mm
RS Stock No. 785-8929
Mfr. Part No.ERZE11A621
BrandPanasonic
PHP14.70
Each (In a Pack of 25)
units
620V 385V 505V 1025V 50A 190J ZNR 14mm 5000A 300pF - - 7.5mm 14 x 7.5mm
RS Stock No. 813-3600
Mfr. Part No.B72260B0751K001
BrandEPCOS
PHP8,252.85
Each
units
1200V 750V 970V 2000V 500A 2000J HighE - 70000A 2.4nF 100mm 100mm 24mm 100 x 100 x 24mm
RS Stock No. 760-6894
Mfr. Part No.V180ZA10P
BrandLittelfuse
PHP29.45
Each (In a Pack of 5)
units
162 → 198V 115V 153V 300V 50A 35J ZA 17mm 4500A 1.19nF - - 5mm 17 (Dia.) x 5mm
RS Stock No. 170-9957
Mfr. Part No.V150LA20BP
BrandLittelfuse
PHP24.338
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. 106-9943
Mfr. Part No.ERZVF2M221
BrandPanasonic
PHP67,769.34
Each (In a Bag of 2000)
units
220V 140V 180V 360V - - ZNR - 600A - 8mm - - -
RS Stock No. 760-7037
Mfr. Part No.V5.5MLA0603NH
BrandLittelfuse
PHP20.81
Each (In a Pack of 10)
units
7.1 → 9.3V 4V 5.5V 17.5V 1A 0.1J ML - 30A 500pF 1.6mm 0.8mm 1mm 1.6 x 0.8 x 1mm
RS Stock No. 439-877
Mfr. Part No.ERZV20D271
BrandPanasonic
PHP50.872
Each (In a Pack of 10)
units
270V 175V 225V 455V 100A 190J - 21.5mm 10000A 1.3nF - - 5.6mm 21.5 (Dia.) x 5.6mm
RS Stock No. 170-2890
Mfr. Part No.B72210P2271K101
BrandEPCOS
PHP14.103
Each (On a Reel of 500)
units
- - - - - - - - - - - - - -
RS Stock No. 800-7103
Mfr. Part No.V56ZA2P
BrandLittelfuse
PHP7.306
Each (In a Pack of 25)
units
62V 35V 45V 110V 2.5A 2.3J ZA 9mm 250A 1.035nF - - 5mm 9 (Dia.) x 5mm
RS Stock No. 134-5699
Mfr. Part No.B72220S0301K101
BrandEPCOS
PHP29.825
Each (In a Bag of 250)
units
470V 300V 385V 775V 100A 173J Standard 21.5mm 8000A 580pF - - 5.6mm 21.5 (Dia.) x 5.6mm
RS Stock No. 186-2149
Mfr. Part No.GMOV-20D650K
BrandBourns
PHP88.80
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
RS Stock No. 720-9986
Mfr. Part No.ERZV20D270
BrandPanasonic
PHP51.215
Each (In a Pack of 2)
units
27V 17V 22V 53V 20A 19J ZNR 21.5mm 3000A 24.5nF - - 5.3mm 21.5 (Dia.) x 5.3mm
RS Stock No. 187-8319
Mfr. Part No.ERZE14A751SC
BrandPanasonic
PHP42.20
Each (In a Pack of 10)
units
750V 460V 615V 1240V 100A 420J E14-S1 17.5mm 7500A 530pF - - 8.2mm 17.5 Dia. x 8.2mm
RS Stock No. 289-7266
Mfr. Part No.B72220S0141K101
BrandEPCOS
PHP48.57
Each (In a Pack of 5)
units
220V 140V 180V 360V 100A 78J Standard 21.5mm 8000A 1.24nF - - 4.8mm 21.5 (Dia.) x 4.8mm
RS Stock No. 187-8152
Mfr. Part No.ERZE14A112SC
BrandPanasonic
PHP59.20
Each (In a Bag of 1000)
units
1100V 680V 895V 1815V 100A 620J E14-S1 17.5mm 7500A 350pF - - 10.1mm 17.5 Dia. x 10.1mm
RS Stock No. 170-2910
Mfr. Part No.B72214P2551K101
BrandEPCOS
PHP43.47
Each (On a Reel of 200)
units
910V 550V 745V - 6000A 220J S14 17mm - 265pF - - 9.4mm 17 (Dia.) x 9.4mm
RS Stock No. 764-0891
Mfr. Part No.EZJZ1V330GA
BrandPanasonic
PHP12.931
Each (In a Pack of 100)
units
33V - 26V - - - EXJZ - 20A 100pF 1.6mm 0.8mm - 1.6 x 0.8 x 0.8mm
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