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. 289-6831
Mfr. Part No.B72214S0400K101
BrandEPCOS
PHP28.12
Each (In a Pack of 5)
units
68V 40V 56V 135V 10A 13J Standard 15.5mm 1000A 3.55nF - - 4.9mm 15.5 (Dia.) x 4.9mm
RS Stock No. 106-7968
Mfr. Part No.ERZE14A471
BrandPanasonic
PHP22.315
Each (In a Bag of 1000)
units
470V 300V 385V 775V - - ZNR - 10000A 750pF - - - 16.5 x 6.4mm
RS Stock No. 167-8518
Mfr. Part No.B72240B0461K001
BrandEPCOS
PHP2,455.293
Each (In a Box of 10)
units
750V 460V 615V 1240V 300A 1000J HighE - 40000A 1.6nF 60mm 14mm - -
RS Stock No. 226-8056
Mfr. Part No.ERZV07D471
BrandPanasonic
PHP20.45
Each (In a Pack of 5)
units
470V 300V 385V 775V 10A 42J ZNR 8.5mm 1750A 100pF - - 5.8mm 8.5 (Dia.) x 5.8mm
RS Stock No. 289-6780
Mfr. Part No.B72210S0350K101
BrandEPCOS
PHP22.518
Each (In a Pack of 5)
units
56V 35V 45V 110V 5A 5.4J Standard 12mm 500A 2.4nF - - 4.4mm 12 (Dia.) x 4.4mm
RS Stock No. 173-1279
Mfr. Part No.VDRS10P275BSE
BrandVishay
PHP9.524
Each (In a Bag of 250)
units
430V 275V 350V 710V 25A 63J NTCLE100E3 13.5mm 2500A 270pF - - 5.4mm 13.5 (Dia.) x 5.4mm
RS Stock No. 760-6999
Mfr. Part No.V390CH8T
BrandLittelfuse
PHP52.76
Each (In a Pack of 5)
units
354 → 429V 250V 330V 650V 10A 7J CH - 250A 60pF 8.51mm 5.26mm 2.03mm 8.51 x 5.26 x 2.03mm
RS Stock No. 720-9784
Mfr. Part No.ERZV05D471
BrandPanasonic
PHP16.538
Each (In a Pack of 10)
units
470V 300V 385V 810V 5A - ZNR 7mm 800A 60pF - - - 7 (Dia.) x 5.8mm
RS Stock No. 851-8322
Mfr. Part No.MOV-14D431K
BrandBourns
PHP12.54
Each
units
430V - 350V 710V 50A 115J MOV-14D 16.5mm - 460pF - - 5.2mm 16.5 (Dia.) x 5.2mm
RS Stock No. 204-2141
Mfr. Part No.B72214S0151K101
BrandEPCOS
PHP22.452
Each (In a Pack of 5)
units
240V 150V 200V 395V 50A 40J Standard 15.5mm 4500A 570pF - - 4.4mm 15.5 (Dia.) x 4.4mm
RS Stock No. 289-7070
Mfr. Part No.B72210S0301K101
BrandEPCOS
PHP29.14
Each (In a Pack of 5)
units
470V 300V 385V 775V 25A 47J Standard 12mm 2500A 180pF - - 5.1mm 12 (Dia.) x 5.1mm
RS Stock No. 110-1919
Mfr. Part No.ERZV10D201
BrandPanasonic
PHP7.03
Each (In a Bag of 1000)
units
200V 130V 170V 340V - - ZNR - 3500A 430pF - - - 11.5 (Dia.) x 4.8mm
RS Stock No. 178-071
Mfr. Part No.VDRS07H275BSE
BrandVishay
PHP17.302
Each (In a Pack of 5)
units
430V 275V 350V 710V 10A 36J VDRS - E 9mm 1200A 140pF - - 4.9mm 9 (Dia.) x 4.9mm
RS Stock No. 720-9901
Mfr. Part No.ERZV10D391
BrandPanasonic
PHP14.18
Each (In a Pack of 10)
units
390V 250V 320V 650V 25A 70J ZNR 11.5mm 3500A 300pF - - 5.8mm 11.5 (Dia.) x 5.8mm
RS Stock No. 720-9780
Mfr. Part No.ERZV05D431
BrandPanasonic
PHP16.538
Each (In a Pack of 10)
units
430V 275V 350V 745V 5A 20J ZNR 7mm 800A 70pF - - 5.6mm 7 (Dia.) x 5.6mm
RS Stock No. 173-9269
Mfr. Part No.MOV-14D431K
BrandBourns
PHP8.835
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. 707-9801
Mfr. Part No.DVSB275652TNS
PHP10,151.79
Each
units
- 275V 350V - - - DVSB - 50000A - 36mm 70mm 90mm 36 x 70 x 90mm
RS Stock No. 813-3603
Mfr. Part No.B72260B0461K001
BrandEPCOS
PHP4,325.17
Each
units
750V 460V 615V 1240V 500A 1650J HighE - 70000A 3.9nF 100mm 100mm 24mm 100 x 100 x 24mm
RS Stock No. 170-9993
Mfr. Part No.V68ZA10P
BrandLittelfuse
PHP10.74
Each (In a Bag of 700)
units
61 → 75V 40V 56V 135V 10A 13J ZA 17mm 1000A 3.87nF - - 5.6mm 17 (Dia.) x 5.6mm
RS Stock No. 170-2863
Mfr. Part No.B72210S0301K101
BrandEPCOS
PHP9.358
Each (On a Reel of 500)
units
470V 300V 385V 775V 25A 47J Standard 12mm 2500A 180pF - - 5.1mm 12 (Dia.) x 5.1mm
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