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. 163-3866
Mfr. Part No.820541406
MYR2.00
Each (On a Reel of 750)
units
22V 14V 18V 43V 10A 5.4J WE-VD 16.5mm 1000A 1.196nF - - 5mm 16.5 (Dia.) x 5mm
RS Stock No. 669-4358
Mfr. Part No.820541406
MYR3.15
Each (In a Pack of 5)
units
22V 14V 18V 43V 10A 5.4J WE-VD 16.5mm 1000A 1.196nF - - 5mm 16.5 (Dia.) x 5mm
RS Stock No. 163-3859
Mfr. Part No.820422711
MYR2.897
Each (On a Reel of 500)
units
430V 275V 350V 710V 100A 303J WE-VD 23mm 10000A 860pF - - 5.7mm 23 (Dia.) x 5.7mm
RS Stock No. 669-4370
Mfr. Part No.820422711
MYR4.426
Each (In a Pack of 5)
units
430V 275V 350V 710V 100A 303J WE-VD 23mm 10000A 860pF - - 5.7mm 23 (Dia.) x 5.7mm
RS Stock No. 172-5217
Mfr. Part No.820552501
MYR1.65
Each (On a Reel of 1500)
units
39V 25V 31V 86V 1A 1.2J WE-VD 7.5mm 100A 830pF - - 4.7mm 7.5 (Dia.) x 4.7mm
RS Stock No. 669-4406
Mfr. Part No.82536140
MYR2.70
Each (In a Pack of 5)
units
25V 14V 18V 45V 1A 0.1J WE-VS - 30A 100pF 1.6mm 0.8mm - -
RS Stock No. 669-4428
Mfr. Part No.82550200
MYR2.70
Each (In a Pack of 5)
units
33V 20V 26V 54V 1A 0.3J WE-VS - 100A 350pF 2mm 1.25mm - -
RS Stock No. 163-3879
Mfr. Part No.82536140
MYR2.285
Each (On a Reel of 4000)
units
25V 14V 18V 45V 1A 0.1J WE-VS - 30A 100pF 1.6mm 0.8mm - -
RS Stock No. 762-2111
Mfr. Part No.820999
MYR584.38
Each
units
- - - - - - - - - - - - - -
RS Stock No. 669-4308
Mfr. Part No.820552501
MYR2.70
Each (In a Pack of 5)
units
39V 25V 31V 86V 1A 1.2J WE-VD 7.5mm 100A 830pF - - 4.7mm 7.5 (Dia.) x 4.7mm
RS Stock No. 163-3891
Mfr. Part No.82550200
MYR2.06
Each (On a Reel of 4000)
units
33V 20V 26V 54V 1A 0.3J WE-VS - 100A 350pF 2mm 1.25mm - -
RS Stock No. 669-4399
Mfr. Part No.82536040
MYR2.806
Each (In a Pack of 5)
units
8V 4V 5.5V 21V 1A 0.1J WE-VS - 30A 200pF 1.6mm 0.8mm - -
RS Stock No. 669-4323
Mfr. Part No.820576001
MYR2.90
Each (In a Pack of 5)
units
100V 60V 85V 165V 10A 7J WE-VD 7mm 1200A 540pF - - 3.9mm 9 (Dia.) x 3.9mm
RS Stock No. 669-4355
Mfr. Part No.820543001
MYR3.44
Each (In a Pack of 5)
units
47V 30V 38V 93V 10A 12J WE-VD 16.5mm 1000A 6.42nF - - - -
RS Stock No. 669-4301
Mfr. Part No.820554001
MYR2.70
Each (In a Pack of 5)
units
68V 40V 56V 150V 1A 2.1J WE-VD 7.5mm 100A 500pF - - - -
New
RS Stock No. 196-7903
Mfr. Part No.8231606A
MYR1.921
Each (On a Reel of 5000)
units
- - 6V 40V - - WE-VE femtoF - - 0.05pF - - - -
New
RS Stock No. 196-7909
Mfr. Part No.8231614A
MYR2.668
Each (On a Tape of 10)
units
- - 14V 45V - - WE-VE femtoF - - 0.05pF - - - -
New
RS Stock No. 196-7913
Mfr. Part No.8231626A
MYR2.668
Each (On a Tape of 10)
units
- - 14V 45V - - WE-VE femtoF - - 0.05pF - - - -
RS Stock No. 669-4424
Mfr. Part No.82550140
MYR2.806
Each (In a Pack of 5)
units
24V 14V 18V 40V 1A 0.2J WE-VS - 100A 550pF 2mm 1.25mm - -
RS Stock No. 163-3872
Mfr. Part No.820574001
MYR1.918
Each (On a Reel of 1500)
units
68V 40V 56V 135V 2.5A 4.3J WE-VD 9mm 250A 1.12nF - - 5.5mm 9 (Dia.) x 5.5mm