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. 181-9288
Mfr. Part No.VCAS04AP181R5DATWA
BrandAVX
€0.046
Each (On a Reel of 10000)
units
150 → 210V 13V 18V 350V - 0.02J AS - 1 (Peak Current)A 1.5pF 1mm 0.5mm 0.6mm 1 x 0.5 x 0.6mm
RS Stock No. 187-7636
Mfr. Part No.VLAS120616E350DP
BrandAVX
€0.324
Each (In a Pack of 25)
units
11 V ac, 16 V dc 11V 16V 35V - 0.5J VLAS - 200A 1.4nF 2.01mm 1.25mm 1.02mm 2.01 x 1.25 x 1.02mm
RS Stock No. 187-7627
Mfr. Part No.VTA7080531C650DP
BrandAVX
€0.088
Each (In a Pack of 25)
units
25 V ac, 31 V dc 25V 31V 65V - 0.3J VT - 80A 275pF 2.01mm 1.25mm 1.02mm 2.01 x 1.25 x 1.02mm
RS Stock No. 187-6542
Mfr. Part No.VGAH222022Y490DP
BrandAVX
€1.13
Each (In a Pack of 5)
units
30V 17V 22V 49V - 6.8J VGAH - 1200 (Peak Current)A 12nF 5.7mm 5mm 2.5mm 5.7 x 5 x 2.5mm
RS Stock No. 187-6519
Mfr. Part No.VGAH181226P570DP
BrandAVX
€0.313
Each (On a Reel of 1000)
units
35V 23V 26V 57V - 3J VGAH - 600 (Peak Current)A 3nF 4.5mm 3.2mm 2mm 4.5 x 3.2 x 2mm
RS Stock No. 187-6513
Mfr. Part No.VGAH121016J400DP
BrandAVX
€0.26
Each (On a Reel of 1000)
units
25.5V 13V 16V 42V - 1.6J VGAH - 500 (Peak Current)A 2.3nF 3.2mm 2.49mm 1.7mm 3.2 x 2.49 x 1.7mm
RS Stock No. 187-7037
Mfr. Part No.VLAS120616E350DP
BrandAVX
€0.168
Each (On a Reel of 1000)
units
11 V ac, 16 V dc 11V 16V 35V - 0.5J VLAS - 200A 1.4nF 2.01mm 1.25mm 1.02mm 2.01 x 1.25 x 1.02mm
RS Stock No. 187-6523
Mfr. Part No.VGAH121031R650DP
BrandAVX
€0.348
Each (On a Reel of 1000)
units
39V 25V 31V 65V - 1.7J VGAH - 300 (Peak Current)A 1.2nF 3.2mm 2.49mm 1.7mm 3.2 x 2.49 x 1.7mm
RS Stock No. 187-6516
Mfr. Part No.VGAH222016Y400DP
BrandAVX
€0.486
Each (On a Reel of 1000)
units
24.5V 11V 16V 42V - 7.2J VGAH - 1500 (Peak Current)A 13nF 5.7mm 5mm 2.5mm 5.7 x 5 x 2.5mm
RS Stock No. 187-6566
Mfr. Part No.VGAH181231P650DP
BrandAVX
€0.678
Each (In a Pack of 10)
units
39V 25V 31V 65V - 3.7J VGAH - 800 (Peak Current)A 2.6nF 4.5mm 3.2mm 2mm 4.5 x 3.2 x 2mm
RS Stock No. 187-6533
Mfr. Part No.VGAH121016S390DP
BrandAVX
€0.264
Each (In a Pack of 10)
units
24.5V 14V 16V 40V - 2J VGAH - 500 (Peak Current)A 3nF 3.2mm 2.49mm 1.7mm 3.2 x 2.49 x 1.7mm
RS Stock No. 887-0778
Mfr. Part No.VE17M00151K
BrandAVX
€0.146
Each (In a Pack of 1000)
units
1000V 625V 150V 1650V - - VE - - 4nF - - - -
RS Stock No. 181-9294
Mfr. Part No.VCAS04AP301R5DATWA
BrandAVX
€0.046
Each (On a Reel of 10000)
units
150 → 210V 21V 30V 350V - 0.02J AS - 1 (Peak Current)A 1.5pF 1mm 0.5mm 0.6mm 1 x 0.5 x 0.6mm
RS Stock No. 181-9289
Mfr. Part No.VCAS04AP182R0LATWA
BrandAVX
€0.046
Each (On a Reel of 10000)
units
80 → 140V 13V 18V 300V - 0.02J AS - 1 (Peak Current)A 2pF 1mm 0.5mm 0.6mm 1 x 0.5 x 0.6mm
RS Stock No. 187-6515
Mfr. Part No.VGAH181216P390DP
BrandAVX
€0.342
Each (On a Reel of 1000)
units
24.5V 11V 16V 40V - 2.9J VGAH - 1000 (Peak Current)A 7nF 4.5mm 3.2mm 2mm 4.5 x 3.2 x 2mm
RS Stock No. 187-6517
Mfr. Part No.VGAH222022Y490DP
BrandAVX
€0.737
Each (On a Reel of 1000)
units
30V 17V 22V 49V - 6.8J VGAH - 1200 (Peak Current)A 12nF 5.7mm 5mm 2.5mm 5.7 x 5 x 2.5mm
RS Stock No. 187-6512
Mfr. Part No.VGAH120616K390DP
BrandAVX
€0.165
Each (On a Reel of 1000)
units
24.5V 11V 16V 40V - 0.6J VGAH - 200 (Peak Current)A 1.1nF 3.2mm 1.6mm 1.7mm 3.2 x 1.6 x 1.7mm
RS Stock No. 187-6520
Mfr. Part No.VGAH222026Y570DP
BrandAVX
€0.719
Each (On a Reel of 1000)
units
35V 23V 26V 57V - 6.8J VGAH - 1100 (Peak Current)A 7nF 5.7mm 5mm 2.5mm 5.7 x 5 x 2.5mm
RS Stock No. 187-6514
Mfr. Part No.VGAH121016S390DP
BrandAVX
€0.26
Each (On a Reel of 1000)
units
24.5V 14V 16V 40V - 2J VGAH - 500 (Peak Current)A 3nF 3.2mm 2.49mm 1.7mm 3.2 x 2.49 x 1.7mm
RS Stock No. 187-7038
Mfr. Part No.VLAS121016J350DP
BrandAVX
€0.248
Each (On a Reel of 1000)
units
11 V ac, 16 V dc 11V 16V 35V - 1.6J VLAS - 500A 5nF 2.01mm 1.25mm 1.02mm 2.01 x 1.25 x 1.02mm