ERZ-V20D271 Product Overview

Introduction

The ERZ-V20D271 belongs to the category of varistors, which are electronic components used to protect circuits from overvoltage conditions. This entry provides a comprehensive overview of the ERZ-V20D271, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Varistor
• Use: Protection against overvoltage conditions
• Characteristics: High energy absorption capacity, fast response time
• Package: Disc-shaped
• Essence: Zinc oxide-based
• Packaging/Quantity: Typically available in bulk packaging

Specifications

• Model: ERZ-V20D271
• Maximum Allowable Voltage: 17V
• Nominal Diameter: 20mm
• Maximum Continuous Voltage: 14V
• Peak Current (8/20μs): 8000A
• Energy (10/1000μs): 300J
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ERZ-V20D271 varistor has a disc-shaped form factor with two axial leads for connection to the circuit. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Overvoltage Protection: Absorbs excessive voltage spikes to protect connected circuits.
• Fast Response Time: Rapidly clamps voltage surges to prevent damage to sensitive components.

Advantages and Disadvantages

Advantages

• High energy absorption capacity
• Fast response time
• Compact form factor

Disadvantages

• Limited maximum allowable voltage
• Susceptible to degradation after multiple surge events

Working Principles

The ERZ-V20D271 operates based on the principle of nonlinear voltage-dependent resistance. When subjected to overvoltage conditions, the varistor's resistance decreases sharply, diverting excess current away from the protected circuit.

Detailed Application Field Plans

The ERZ-V20D271 is commonly used in various electronic and electrical systems, including: - Power supply units - Surge protection devices - Industrial equipment - Telecommunication systems - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring similar overvoltage protection, alternative varistor models include: - ERZ-V14D271 - ERZ-V07D271 - ERZ-V05D271 - ERZ-V10D271

In conclusion, the ERZ-V20D271 varistor offers reliable overvoltage protection with its high energy absorption capacity and fast response time. While it has limitations in terms of maximum allowable voltage and susceptibility to degradation, its compact form factor and effectiveness make it a valuable component in various electronic and electrical systems.

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