Best Metal Oxide Varistors

Looking for the best metal oxide varistors to protect your electronics? Our guide highlights the top 10 options, making it easy for you to find the perfect protection for your devices.

Metal oxide varistors are essential for protecting your electronics from voltage spikes. They act like guards, keeping your devices safe and functional. Whether for home or industrial use, these components are reliable and effective.

These varistors are easy to install and come in various sizes and ratings. They handle high-energy surges, ensuring stable performance in critical systems. With durable materials, they offer long-lasting protection.

Ready to find the perfect varistor for your needs? Our guide highlights the best options, making your choice simple and confident. Dive in to discover the ideal protection for your devices!

List of Top 10 Metal Oxide Varistors

Title	Best For	Price
Be In Your Mind 10x Metal Oxide Varistor TVR10241V 240V 150AC 200DC Compatible with TKS Surge Protection	Be In Your Mind 10x Metal Oxide Varistor is perfect for anyone needing strong surge protection. It’s ideal for home appliances and industrial devices, keeping circuits safe from high-energy surges.	View on Amazon (paid link)
(F #26) 10pcs Epcos S20K275 MOV 275Vac 350Vdc 630pF Metal Oxide Varistor	This 10-piece set is perfect for anyone who needs reliable surge protection in their electronics projects. Whether you’re a hobbyist, student, or professional, these Epcos S20K275 varistors are easy to use and great for protecting circuits from voltage spikes.	View on Amazon (paid link)
100Pcs 10D471K Metal Oxide Varistor MOV 10mm Diameter 470V Protection for Power Supplies	This product is perfect for anyone who needs reliable voltage protection for their power supplies. It’s easy to use and works great for small electronics projects.	View on Amazon (paid link)
LITTELFUSE V150LA5P Metal Oxide VARISTOR, 200V 395V RAD (5EA)	This Littelfuse V150LA5P Metal Oxide VARISTOR is perfect for professionals in industrial, commercial, and automotive fields. It’s ideal for anyone needing reliable surge protection in high-demand environments.	View on Amazon (paid link)
uxcell 7D471K 470V 3cm Length Metal Oxide Varistor Voltage Dependent Resistor 31 Pcs, Multi-Colour, Set of 31 Pieces	This product is perfect for DIY electronics enthusiasts and hobbyists who need reliable voltage protection in their projects. It’s also great for repairing or upgrading devices that use varistors.	View on Amazon (paid link)
LITTELFUSE V150LA2P METAL OXIDE VARISTOR, 200V 395V RAD (10 pieces)	The Littelfuse V150LA2P Metal Oxide Varistor is perfect for professionals in industrial, commercial, and automotive fields. It’s ideal for anyone needing reliable surge protection in high-demand applications.	View on Amazon (paid link)
The Lord of the Tools 20PCS TVR10271 Disc Type Metal Oxide Varistor Oxide Surge Protector Foot Length 5mm Surge Suppression Varistor for Household Appliances and Industrial Equipment	The Lord of the Tools 20PCS TVR10271 is perfect for anyone who needs reliable surge protection for home appliances or industrial equipment. It’s ideal for DIY projects or quick replacements.	View on Amazon (paid link)
10pcs 241KD14 14D241K Metal Oxide Varistor MOV	This 10-piece set of 241KD14 Metal Oxide Varistors is perfect for anyone working on electronics projects. Whether you’re a hobbyist or a professional, these 14mm diameter MOVs are ideal for protecting circuits from voltage spikes.	View on Amazon (paid link)
LITTELFUSE V130LA10AP Metal Oxide VARISTOR, 175V 340V RAD (5EA)	This Littelfuse V130LA10AP Metal Oxide VARISTOR is perfect for professionals in industrial, commercial, and automotive fields. It’s ideal for those needing reliable surge protection in high-voltage applications.	View on Amazon (paid link)
15pcs 241KD10 10D241K Metal Oxide Varistor MOV	This 15-piece set of 241KD10 10D241K Metal Oxide Varistors (MOVs) is perfect for anyone working on electronics projects or needing reliable surge protection. With a 10mm diameter, these MOVs are easy to use and ideal for small repairs or DIY tasks.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Metal Oxide Varistors handpicked for reliability and performance. Each product is expert-reviewed and customer-approved, ensuring you get the best protection for your devices. Whether for home or industrial use, this guide helps you find the perfect fit effortlessly.

1. Be In Your Mind 10x Metal Oxide Varistor TVR10241V 240V 150AC 200DC Compatible with TKS Surge Protection

The Be In Your Mind 10x Metal Oxide Varistor TVR10241V is a reliable surge protector for your devices. It’s specially designed to handle high-energy surges, keeping circuits safe. This varistor is compatible with TKS systems, making it a smart choice for both home and industrial use.

It works with 240V nominal voltage and handles 150V AC and 200V DC. It responds quickly to overvoltage, ensuring stable equipment operation.

Made from durable metal materials, this varistor offers excellent conductivity and long-lasting performance. It’s ideal for critical systems, protecting against high-energy surges in demanding environments.

Pros	Cons
Quick surge protection keeps your circuits safe from overvoltage. Handles high energy impacts for stable equipment operation. Durable metal build ensures long-lasting performance in tough conditions. Versatile use for home and industrial devices.	Limited to specific voltage ranges, may not fit all needs. No built-in indicator for end-of-life or failure. Bulkier design might limit installation in tight spaces.

Perfect For:

Be In Your Mind 10x Metal Oxide Varistor is perfect for anyone needing strong surge protection. It’s ideal for home appliances and industrial devices, keeping circuits safe from high-energy surges.

Ready to Purchase?

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2. (F #26) 10pcs Epcos S20K275 MOV 275Vac 350Vdc 630pF Metal Oxide Varistor

Protect your devices with the Epcos S20K275 MOV. This metal oxide varistor is a reliable surge protector.

It has a 20mm disk and 10mm lead spacing. The clamp voltage is 710V, and it can handle 275Vac and 350Vdc.

Get a package of 10 pieces for your projects. These varistors are easy to use and highly effective.

Pros	Cons
High-quality Epcos S20K275 varistors for reliable performance. Handles 275Vac/350Vdc with ease, perfect for tough applications. Compact 20mm disk design saves space in your projects. Strong 215J 710V clamp protects against voltage spikes. Great value with 10 pieces in one package.	Limited voltage range for high-power applications. No built-in mounting for easy installation. Bulk package may be more than needed for small projects.

Perfect For:

This 10-piece set is perfect for anyone who needs reliable surge protection in their electronics projects. Whether you’re a hobbyist, student, or professional, these Epcos S20K275 varistors are easy to use and great for protecting circuits from voltage spikes.

Ready to Purchase?

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3. 100Pcs 10D471K Metal Oxide Varistor MOV 10mm Diameter 470V Protection for Power Supplies

The 100Pcs 10D471K Metal Oxide Varistor MOV is a reliable and effective solution for power supply protection. It has a 10mm diameter and a 470V rating, making it ideal for various electronic applications.

It acts like a switch, closing when voltage is too high and staying off when voltage is normal. This protects your devices from sudden surges. Its small size makes it easy to install and remove.

With quality components and accurate processing, this varistor ensures durability and stable performance. It’s a must-have for anyone working with electronics.

Pros	Cons
Protects power supplies from voltage spikes. Small size, easy to install and remove. Stable performance ensures reliable operation. Durable quality components for long-lasting use.	No clear specs for high-power apps. Small size may limit handling ease. Basic protection, not for extreme conditions.

Perfect For:

This product is perfect for anyone who needs reliable voltage protection for their power supplies. It’s easy to use and works great for small electronics projects.

Ready to Purchase?

View Price on Amazon (paid link)

4. LITTELFUSE V150LA5P Metal Oxide VARISTOR, 200V 395V RAD (5EA)

The LITTELFUSE V150LA5P is a metal oxide varistor. It protects circuits from voltage spikes. This part is reliable and durable.

This varistor works in industrial, commercial, and automotive settings. It handles 200V to 395V with ease.

The pack includes five units. These are easy to install and use. They keep your systems safe and running smoothly.

Pros	Cons
Protects devices from voltage spikes in industrial settings. Reliable for commercial and automotive applications. Durable metal oxide design ensures long-lasting performance. Easy to install and use in various systems.	Limited to specific uses, not for every project. Bulk purchase required, not ideal for small needs. Technical knowledge needed for proper installation.

Perfect For:

This Littelfuse V150LA5P Metal Oxide VARISTOR is perfect for professionals in industrial, commercial, and automotive fields. It’s ideal for anyone needing reliable surge protection in high-demand environments.

Ready to Purchase?

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5. uxcell 7D471K 470V 3cm Length Metal Oxide Varistor Voltage Dependent Resistor 31 Pcs, Multi-Colour, Set of 31 Pieces

Metal oxide varistors are voltage-dependent resistors used in electronics. This set includes 31 pieces, perfect for various projects. Each varistor is 470V rated and 3cm long.

The 7D471K model has leads that are 2.1cm long and spaced 0.5cm apart. The body size is 0.7x3cm, making it compact and easy to use.

The package weighs 18g and includes 31 varistors. These are made of metal and plastic, ensuring durability and reliability.

Pros	Cons
High Voltage Protection: Safeguards circuits up to 470V. Compact Size: Measures just 0.7x3cm for easy installation. Durable Build: Made with metal and plastic for long-lasting use. Bulk Pack: Includes 31 pieces for multiple projects.	Limited to specific voltage needs, not versatile for all projects. No color choice, multi-colour set may not match your design. Small size might be hard to handle for some users.

Perfect For:

This product is perfect for DIY electronics enthusiasts and hobbyists who need reliable voltage protection in their projects. It’s also great for repairing or upgrading devices that use varistors.

Ready to Purchase?

View Price on Amazon (paid link)

6. LITTELFUSE V150LA2P METAL OXIDE VARISTOR, 200V 395V RAD (10 pieces)

The Littelfuse V150LA2P is a metal oxide varistor designed for reliable performance. It’s perfect for industrial, commercial, and automotive use.

This varistor handles 200V to 395V, comes in a pack of 10 pieces, and is built to last. It’s a trusted choice for protecting circuits.

Pros	Cons
Reliable surge protection for industrial, commercial, and automotive use. Littelfuse quality ensures durable and trustworthy performance. Compact design fits easily into tight spaces. Cost-effective with 10 pieces per pack for bulk needs.	Limited to specific uses, not for all projects. Bulk pack may be too many for small needs. No built-in protection against extreme surges.

Perfect For:

The Littelfuse V150LA2P Metal Oxide Varistor is perfect for professionals in industrial, commercial, and automotive fields. It’s ideal for anyone needing reliable surge protection in high-demand applications.

Ready to Purchase?

View Price on Amazon (paid link)

7. The Lord of the Tools 20PCS TVR10271 Disc Type Metal Oxide Varistor Oxide Surge Protector Foot Length 5mm Surge Suppression Varistor for Household Appliances and Industrial Equipment

The Lord of the Tools 20PCS TVR10271 Disc Type Metal Oxide Varistor Oxide Surge Protector Foot Length 5mm Surge Suppression Varistor for Household Appliances and Industrial Equipment

Protect your devices with the Lord of the Tools 20PCS TVR10271 Varistor. This surge protector shields household and industrial equipment from voltage spikes. Its compact design fits easily into circuit boards.

The 20-piece set offers durable metal construction and reliable performance. Perfect for high-energy surges, it ensures long-lasting safety in critical systems.

Pros	Cons
Protects devices from voltage spikes with precise surge protection. Compact design fits easily into circuit boards. Durable metal build ensures long-lasting performance. Versatile 20-piece set for multiple projects or replacements.	Limited to specific voltage ranges, may not suit all applications. No included installation tools, requires extra purchases. Small size might be hard to handle for some users.

Perfect For:

The Lord of the Tools 20PCS TVR10271 is perfect for anyone who needs reliable surge protection for home appliances or industrial equipment. It’s ideal for DIY projects or quick replacements.

Ready to Purchase?

View Price on Amazon (paid link)

8. 10pcs 241KD14 14D241K Metal Oxide Varistor MOV

The 10pcs 241KD14 14D241K Metal Oxide Varistor MOV is a reliable and efficient component. It is perfect for protecting your electronic devices.

This MOV has a 14mm diameter, making it compact and easy to use. It comes in a pack of 10, so you have plenty for your projects.

With its metal oxide design, it handles voltage spikes well. It’s a must-have for DIY enthusiasts and professionals alike.

Pros	Cons
10pcs for bulk needs, perfect for projects and repairs. 14mm diameter fits standard applications, easy to install. Metal oxide varistor offers reliable surge protection. Durable and long-lasting, ensures stable performance.	Limited to specific voltage ratings, not universal. No built-in overheat protection, risky under high stress. Bulk pack may exceed needs, wasteful for small projects.

Perfect For:

This 10-piece set of 241KD14 Metal Oxide Varistors is perfect for anyone working on electronics projects. Whether you’re a hobbyist or a professional, these 14mm diameter MOVs are ideal for protecting circuits from voltage spikes.

Ready to Purchase?

View Price on Amazon (paid link)

9. LITTELFUSE V130LA10AP Metal Oxide VARISTOR, 175V 340V RAD (5EA)

The LITTELFUSE V130LA10AP is a metal oxide varistor designed for reliable protection. It handles 175V to 340V and comes in a pack of 5 units. This product is built tough for industrial, commercial, and automotive use.

It’s made by Littelfuse, a trusted brand in circuit protection. Use it to safeguard your systems from voltage spikes and surges.

Pros	Cons
Reliable surge protection for industrial, commercial, and automotive use. Trusted Littelfuse brand ensures high-quality performance. Wide voltage range (175V-340V) for versatile applications. Durable metal oxide varistor for long-lasting protection.	Limited to specific voltage range: 175V-340V. Bulk purchase: 5 pieces per pack, no single option. Not for home use, industrial focus only.

Perfect For:

This Littelfuse V130LA10AP Metal Oxide VARISTOR is perfect for professionals in industrial, commercial, and automotive fields. It’s ideal for those needing reliable surge protection in high-voltage applications.

Ready to Purchase?

View Price on Amazon (paid link)

10. 15pcs 241KD10 10D241K Metal Oxide Varistor MOV

Protect your devices with the 15pcs 241KD10 10D241K Metal Oxide Varistor MOV. This pack of 15 offers reliable surge protection for your electronics.

Each varistor has a 10mm diameter, making it compact and easy to use. Simple to install and highly effective. Great for DIY projects.

Pros	Cons
15pcs for bulk needs, perfect for DIY projects. 10mm diameter, ideal for compact designs. Metal Oxide Varistor ensures reliable surge protection. Easy to install, saves time and effort.	Limited to specific applications, not universal. No included mounting hardware, extra purchase needed. Small size may be hard to handle for beginners.

Perfect For:

This 15-piece set of 241KD10 10D241K Metal Oxide Varistors (MOVs) is perfect for anyone working on electronics projects or needing reliable surge protection. With a 10mm diameter, these MOVs are easy to use and ideal for small repairs or DIY tasks.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Metal oxide varistors are essential for protecting your electronics from voltage spikes. They keep your devices safe and functional.

Choosing the right varistor can be simple and confident. Our guide highlights key factors to help you find the perfect protection for your needs.

Here’s what to consider when buying:

Voltage Rating:
Match the varistor’s voltage rating to your system’s needs. Too low, and it won’t protect; too high, and it’s unnecessary.
Surge Capacity:
Look for a varistor that handles high-energy surges. This ensures reliable protection in demanding environments.
Size and Design:
Choose a size that fits your circuit board or project. Compact designs are easy to install and save space.
Compatibility:
Ensure the varistor works with your system, like TKS surge protection or specific voltage ranges.
Durability:
Opt for durable materials like metal for long-lasting performance and stable operation.
Quantity:
Buy in packs if you need multiple varistors for DIY projects or industrial use.
Brand Reputation:
Trusted brands like Littelfuse offer reliable and high-quality varistors for peace of mind.

With these factors in mind, you’ll find the ideal varistor to keep your devices safe and functional.