V100ZA3 Varistors by Littelfuse – Reliable Surge Protection
The Varistors V100ZA3 by Littelfuse are compact and highly reliable components designed for Circuit Protection against voltage surges and transients. These zinc oxide-based Varistors clamp excessive voltage in milliseconds, making them ideal for consumer electronics, power supplies, and industrial devices.
In this blog, we’ll explore the technical specifications, features, applications, wiring, and real-world use cases of the V100ZA3. Plus, we’ll highlight alternative options from Renesas and show you where to buy it globally from Xon Electronics.
Technical Specifications of V100ZA3
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Manufacturer: Littelfuse
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Part Number: V100ZA3
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Type: Metal Oxide Varistor (MOV)
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Maximum Operating Voltage (AC): 60V
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Maximum Operating Voltage (DC): 85V
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Clamping Voltage: 175V
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Energy Rating: 1.8 Joules
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Response Time: <25 ns
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Package Type: Radial Through-Hole
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Operating Temperature: -55°C to +85°C
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Category: Circuit Protection, Varistors
Designed for use in low-energy circuits, this MOV offers dependable protection in compact spaces and meets industry safety standards.
Key Features of V100ZA3 Varistors
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Fast Surge Response – Reacts to transient events in under 25ns
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Compact Radial Design – Perfect for through-hole PCB integration
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Energy Absorption – Rated at 1.8J for low to moderate surge handling
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Wide Operating Range – Protects against voltage irregularities across environments
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Cost-Effective Protection – Ensures safety at an affordable price
These features make the V100ZA3 one of the best Varistors in Littelfuse’s Circuit Protection portfolio.
Applications of V100ZA3
The V100ZA3 Varistors are widely deployed in:
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AC/DC Power Supplies
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Consumer Electronics (TVs, game consoles)
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Communication Devices
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LED Drivers and Lighting Systems
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Home Appliances
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Industrial Control Boards
These Varistors protect sensitive electronics from voltage spikes caused by switching, lightning, or electrical faults.
Wiring and Connection Overview
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Mounting Type: Radial Through-Hole
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Terminal Type: Leaded (Axial pins)
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Polarity: Non-polarized (can be mounted in either orientation)
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Installation Tip: Always place the Varistor as close to the input power line as possible for optimal surge suppression.
Simple to mount and easy to integrate, these MOVs are an ideal solution for protecting low-voltage circuits.
Use Case Scenario: LED Driver Surge Protection
Scenario: An LED lighting manufacturer experienced high failure rates due to power surges during startup and lightning storms.
Problem: Their legacy surge protection system lacked speed and couldn’t absorb peak energy events.
Solution: By integrating V100ZA3 Varistors, the systems gained fast-response surge suppression with reliable clamping voltage.
Result: Increased LED driver longevity, reduced returns, and enhanced end-user satisfaction.
This example shows how Circuit Protection with Littelfuse Varistors can solve real-world electrical reliability problems.
Also Available from Other Manufacturers
If you're exploring alternatives to the V100ZA3 Varistors, consider:
All options are available at Xon Electronics to meet your sourcing needs for global projects.
Download Datasheet for V100ZA3
Need electrical curves, energy ratings, or compliance info?
[Download the V100ZA3 Datasheet from Xon Electronics]
Why Buy from Xon Electronics?
Buy V100ZA3 Varistors from Xon Electronics and enjoy:
- 100% Genuine Littelfuse Components
- Global Delivery to USA, India, Australia, Europe & more
- Bulk Order Discounts for Manufacturers & Distributors
- Technical Support for Integration
- Secure and Fast Online Transactions
Your trusted source for Circuit Protection and Varistors.
FAQs – V100ZA3 Varistors
Q1. What’s the clamping voltage of V100ZA3?
It clamps voltage at around 175V.
Q2. Is this a through-hole or surface-mount component?
Through-hole (radial leaded package).
Q3. Does this Varistor work in DC applications?
Yes, up to 85V DC max.
Q4. Can I use this in lighting systems?
Absolutely. It’s commonly used in LED drivers.
Q5. Is international shipping available?
Yes, Xon Electronics ships globally including USA, India, Australia, and Europe.
Conclusion
The V100ZA3 Varistors by Littelfuse are engineered for fast, effective Circuit Protection in consumer and industrial electronics. Compact, affordable, and efficient, these Varistors provide reliable surge suppression where it's needed most.
Order today from Xon Electronics with global shipping to the USA, India, Australia, Europe, and other regions.