MOV-20D781KTR

Product Overview

Use

It is used for surge protection in electronic circuits and devices.

Characteristics

High energy absorption capacity
Fast response time
Wide operating voltage range

Package

The MOV-20D781KTR is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the MOV-20D781KTR lies in its ability to protect electronic components from voltage surges and transients.

Packaging/Quantity

It is commonly packaged in reels or trays, and the quantity per package varies based on the manufacturer's specifications.

Specifications

Voltage Rating: 780V
Peak Current: 20kA
Operating Temperature Range: -40°C to 85°C
Lead Material: Tin-plated copper

Detailed Pin Configuration

The MOV-20D781KTR typically has two leads, with one connected to each end of the disc-shaped varistor.

Functional Features

Surge suppression
Voltage clamping
Transient protection

Advantages

High energy absorption capability
Fast response to transient events
Wide operating voltage range

Disadvantages

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

Working Principles

When a voltage surge occurs, the MOV-20D781KTR conducts current, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit and protect sensitive components.

Detailed Application Field Plans

The MOV-20D781KTR is commonly used in: - Power supplies - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

MOV-14DxxxK Series: Lower voltage rating options
MOV-25DxxxK Series: Higher voltage rating options
SMD Varistors: Surface-mount alternatives for space-constrained applications

In conclusion, the MOV-20D781KTR is a vital component in safeguarding electronic circuits from voltage surges and transients. Its high energy absorption capacity and fast response time make it an essential part of modern electronic systems.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MOV-20D781KTR في الحلول التقنية

What is MOV-20D781KTR?
- MOV-20D781KTR is a metal oxide varistor (MOV) component used for voltage clamping and transient surge protection in electronic circuits.
What are the key specifications of MOV-20D781KTR?
- The MOV-20D781KTR has a maximum AC voltage of 130V, a maximum DC voltage of 175V, and a peak current of 4500A.
How does MOV-20D781KTR provide surge protection?
- MOV-20D781KTR operates by shunting excess voltage to ground when a transient surge occurs, protecting sensitive components downstream.
In what applications can MOV-20D781KTR be used?
- MOV-20D781KTR is commonly used in power supplies, industrial equipment, consumer electronics, and telecommunications equipment for surge protection.
What are the typical failure modes of MOV-20D781KTR?
- MOV-20D781KTR can fail due to prolonged exposure to overvoltage conditions, leading to degradation or catastrophic failure.
How should MOV-20D781KTR be integrated into a circuit?
- MOV-20D781KTR should be placed in parallel with the circuit being protected, ensuring that it can divert surge currents away from sensitive components.
What are the temperature and environmental considerations for MOV-20D781KTR?
- MOV-20D781KTR operates within a temperature range of -40°C to 85°C and is suitable for indoor use in dry environments.
Are there any precautions to consider when using MOV-20D781KTR?
- It's important to ensure that MOV-20D781KTR is not exposed to sustained overvoltage conditions, as this can lead to premature failure.
Can MOV-20D781KTR be replaced if it fails?
- Yes, MOV-20D781KTR can be replaced if it fails, but it's essential to identify and address the root cause of the overvoltage condition to prevent future failures.
Where can I find more detailed technical information about MOV-20D781KTR?
- Detailed technical information about MOV-20D781KTR can be found in the manufacturer's datasheet or technical specifications document.