MOV-20D431K

Product Overview

Category: Electronic Component
Use: Surge Protection
Characteristics: High energy absorption, fast response time
Package: Radial Leaded
Essence: Metal Oxide Varistor (MOV)
Packaging/Quantity: Bulk packaging, quantity varies

Specifications

Voltage Rating: 430V
Peak Current: 20kA
Energy Absorption: 360J
Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The MOV-20D431K features a radial leaded package with two leads for easy installation on circuit boards or in electronic devices.

Functional Features

Provides protection against voltage surges and transients
Fast response time ensures quick clamping of overvoltage events
High energy absorption capability safeguards sensitive electronic components

Advantages and Disadvantages

Advantages: - Effective surge protection - Fast response time - Wide operating temperature range

Disadvantages: - Limited lifespan after repeated surges - Susceptible to degradation over time

Working Principles

The MOV-20D431K operates based on the metal oxide varistor principle, where it exhibits a high resistance at normal operating voltage but rapidly switches to a low resistance state when subjected to overvoltage conditions, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The MOV-20D431K is commonly used in various electronic devices and systems requiring surge protection, including power supplies, telecommunications equipment, industrial controls, and consumer electronics. Its high energy absorption and fast response time make it suitable for safeguarding sensitive components in these applications.

Detailed and Complete Alternative Models

MOV-14D431K: Lower voltage rating, suitable for less demanding applications
MOV-25D431K: Higher energy absorption, ideal for more robust surge protection requirements
MOV-20D471K: Higher voltage rating, suitable for applications with higher operating voltages

This completes the entry for MOV-20D431K, providing comprehensive information about its product details, functionality, and application.

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MOV-20D431K in technischen Lösungen auf

What is the MOV-20D431K?
- The MOV-20D431K is a metal oxide varistor (MOV) component used for voltage clamping and transient surge protection in electronic circuits.
What are the key specifications of the MOV-20D431K?
- The MOV-20D431K has a maximum AC voltage of 17V, a maximum DC voltage of 22V, and a peak current of 100A.
How does the MOV-20D431K provide surge protection?
- The MOV-20D431K conducts current when subjected to overvoltage conditions, diverting excess energy away from sensitive components and protecting them from damage.
In what applications can the MOV-20D431K be used?
- The MOV-20D431K is commonly used in power supplies, industrial equipment, telecommunications devices, and consumer electronics for surge suppression.
What is the operating temperature range of the MOV-20D431K?
- The MOV-20D431K typically operates within a temperature range of -40°C to 85°C.
How should the MOV-20D431K be connected in a circuit?
- The MOV-20D431K should be connected in parallel with the load or equipment to be protected, across the power supply lines.
What are the potential failure modes of the MOV-20D431K?
- The MOV-20D431K can degrade over time due to repeated surges, and may fail short-circuit or open-circuit if exposed to excessive energy.
Can the MOV-20D431K be replaced after it has absorbed a surge?
- Yes, if the MOV-20D431K has experienced a significant surge event, it is recommended to replace it to ensure continued protection.
Are there any special handling considerations for the MOV-20D431K?
- The MOV-20D431K should be stored in a cool, dry environment and handled with care to avoid mechanical damage.
What are some alternative components to the MOV-20D431K?
- Alternatives to the MOV-20D431K include other MOVs with similar voltage and current ratings, as well as transient voltage suppressor (TVS) diodes for surge protection.