MOV-10D221K

Product Overview

Category:

Metal Oxide Varistor (MOV)

Use:

Surge protection in electronic circuits

Characteristics:

High energy absorption capacity
Fast response time
Wide operating voltage range

Package:

Disc-shaped, leaded

Essence:

Protecting electronic devices from voltage surges

Packaging/Quantity:

Bulk packaging, quantity varies

Specifications

Voltage Rating: 220V
Peak Current: 10A
Maximum Energy Absorption: 1.5J
Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MOV-10D221K has two leads for connection to the circuit. The body is disc-shaped with a diameter of approximately 10mm.

Functional Features

Surge Protection: MOV-10D221K provides effective surge protection by clamping excessive voltage levels.
Fast Response: It responds quickly to voltage spikes, diverting excess energy away from sensitive components.

Advantages and Disadvantages

Advantages

Effective surge protection
Fast response time
Wide operating voltage range

Disadvantages

Limited lifespan after repeated surges
Can degrade over time with exposure to high energy events

Working Principles

MOV-10D221K operates based on the principle of voltage-dependent resistance. When a voltage surge occurs, the varistor's resistance decreases, allowing it to absorb the excess energy and protect the connected circuit.

Detailed Application Field Plans

Electronic Equipment

Used in power supplies, telecommunication equipment, and consumer electronics to safeguard against voltage transients.

Industrial Machinery

Integrated into control systems and motor drives to prevent damage from power line disturbances.

Detailed and Complete Alternative Models

MOV-14D221K: Higher voltage rating for industrial applications
MOV-07D221K: Lower voltage rating suitable for low-power circuits

This comprehensive range of alternative models allows for flexibility in surge protection solutions across various voltage requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MOV-10D221K v technických řešeních

What is MOV-10D221K?
- MOV-10D221K is a metal oxide varistor (MOV) with a voltage rating of 220V and a maximum energy absorption capability.
Where can MOV-10D221K be used?
- It can be used in surge protection applications for electronic equipment, power supplies, and industrial control systems.
How does MOV-10D221K provide surge protection?
- When a voltage surge occurs, the MOV-10D221K conducts current to divert the surge away from sensitive components, protecting them from damage.
What are the key specifications of MOV-10D221K?
- The key specifications include a maximum continuous voltage rating, peak current capability, response time, and energy absorption capacity.
Can MOV-10D221K be used in outdoor applications?
- Yes, MOV-10D221K can be used in outdoor applications, but it should be housed in a suitable enclosure to protect it from environmental factors.
What are the potential failure modes of MOV-10D221K?
- MOV-10D221K can fail due to prolonged exposure to overvoltage conditions, excessive current, or thermal stress.
Is it necessary to use a fuse in conjunction with MOV-10D221K?
- Yes, it is recommended to use a fuse in series with MOV-10D221K to provide additional protection in case of catastrophic failure.
Can MOV-10D221K be replaced after it has absorbed a surge?
- Yes, MOV-10D221K can be replaced after it has absorbed a surge, as its effectiveness may be compromised after a significant surge event.
Are there any special handling considerations for MOV-10D221K?
- It should be handled with care to avoid mechanical damage, and proper ESD precautions should be taken during installation.
What are the alternatives to MOV-10D221K for surge protection?
- Other surge protection devices such as gas discharge tubes (GDTs), transient voltage suppressors (TVS diodes), and silicon avalanche diodes (SADs) can be considered as alternatives to MOV-10D221K.