BZW04-20HE3/54

Introduction

The BZW04-20HE3/54 is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Product Overview

Category

The BZW04-20HE3/54 belongs to the TVS diode category, specifically designed for transient voltage protection in various electronic circuits.

Use

It is used to safeguard electronic devices from voltage spikes and transients that could potentially damage sensitive components.

Characteristics

• Fast response time
• Low clamping voltage
• High surge current capability
• RoHS compliant

Package

The BZW04-20HE3/54 is available in a compact, surface-mount package, making it suitable for integration into densely populated circuit boards.

Essence

The essence of the BZW04-20HE3/54 lies in its ability to rapidly divert excessive voltage away from sensitive components, thereby protecting them from damage.

Packaging/Quantity

The diodes are typically supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 17.1V
• Maximum Clamping Voltage: 27.7V
• Operating Temperature Range: -55°C to 150°C
• Reverse Standoff Voltage: 15V
• Leakage Current: 1μA

Detailed Pin Configuration

The BZW04-20HE3/54 features a standard SOD-123FL package with two pins for easy integration into circuit designs.

Functional Features

• Rapid response to transient voltage events
• Low clamping voltage to minimize stress on protected components
• High surge current handling capability
• Reliable protection against ESD and other voltage transients

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Compact form factor for easy integration
• RoHS compliant, ensuring environmental friendliness

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a voltage transient occurs, the BZW04-20HE3/54 quickly conducts excess current away from the protected circuit, limiting the voltage across the load to a safe level.

Detailed Application Field Plans

The BZW04-20HE3/54 is commonly used in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• SMAJ17A: Similar TVS diode with SMA package
• P6KE18CA: Axial lead TVS diode with comparable specifications
• SMCJ15A: Surface mount TVS diode with higher power rating

In conclusion, the BZW04-20HE3/54 is a reliable TVS diode offering fast response, low clamping voltage, and high surge current capability. Its compact package and RoHS compliance make it a popular choice for protecting sensitive electronic circuits from voltage transients.

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