V320LA20APX1347

Product Overview

Category

The V320LA20APX1347 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions.

Use

This varistor is commonly used in electronic circuits to suppress voltage spikes and transient surges, thereby safeguarding sensitive components from damage.

Characteristics

• Voltage Suppression: The V320LA20APX1347 has a high energy absorption capacity, making it suitable for protecting against high voltage transients.
• Response Time: This varistor offers fast response time to transient events, ensuring quick protection for the circuit.
• Reliability: It provides reliable overvoltage protection, contributing to the longevity of electronic devices.

Package

The V320LA20APX1347 is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of this varistor lies in its ability to effectively mitigate overvoltage situations, preserving the integrity of electronic systems.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Maximum Allowable Voltage: 320V
• Peak Current Capability: 10kA
• Operating Temperature Range: -40°C to 85°C
• Nominal Varistor Voltage: 510V
• Capacitance: 1000pF

Detailed Pin Configuration

The V320LA20APX1347 features a leaded configuration with two terminals for connection to the circuit. The pinout arrangement is as follows: 1. Terminal 1: Input/Anode 2. Terminal 2: Ground/Cathode

Functional Features

• Overvoltage Protection: When the voltage across the varistor exceeds its threshold, it rapidly conducts, diverting excess current away from the protected circuit.
• Transient Suppression: It effectively clamps transient voltage spikes, preventing them from reaching sensitive components.
• Non-linear Response: The varistor's resistance decreases with increasing voltage, providing dynamic protection characteristics.

Advantages and Disadvantages

Advantages

• Effective overvoltage protection
• Fast response time
• Wide operating temperature range

Disadvantages

• Limited lifespan under repetitive surge conditions
• Susceptible to thermal aging effects

Working Principles

The V320LA20APX1347 operates based on the principle of voltage-dependent nonlinear resistance. When subjected to overvoltage conditions, the varistor conducts, shunting excess current and limiting the voltage across the protected circuit.

Detailed Application Field Plans

Power Supply Units

In power supply units, the V320LA20APX1347 can be employed to safeguard sensitive electronics from voltage transients originating from the mains supply or other sources.

Industrial Control Systems

For industrial control systems, this varistor serves as a crucial component in protecting PLCs, motor drives, and other equipment from voltage surges induced by switching operations or external disturbances.

Telecommunications Equipment

Telecommunication infrastructure often utilizes the V320LA20APX1347 to shield sensitive communication modules and network devices from lightning-induced surges and line disturbances.

Detailed and Complete Alternative Models

• V275LA20APX1347: Similar varistor with lower maximum allowable voltage
• V385LA20APX1347: Similar varistor with higher maximum allowable voltage
• V320LA10APX1347: Similar varistor with lower peak current capability

In conclusion, the V320LA20APX1347 varistor offers robust overvoltage protection and finds widespread application across various electronic systems, ensuring the reliability and longevity of sensitive components.

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