BZW04-128HE3/73

Introduction

The BZW04-128HE3/73 is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage spikes and transients. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Electronic Components
• Use: Protection against voltage spikes and transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-204AL (DO-41)
• Essence: TVS diode for circuit protection
• Packaging/Quantity: Available in reels or bulk packaging

Specifications

• Part Number: BZW04-128HE3/73
• Peak Pulse Power: 400 W
• Breakdown Voltage: 128 V
• Clamping Voltage: 207 V
• Operating Temperature Range: -55°C to 175°C
• RoHS Compliant: Yes

Detailed Pin Configuration

The BZW04-128HE3/73 TVS diode has a standard DO-41 package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Fast response time to clamp transient voltages
• Low clamping voltage to protect sensitive components
• High surge current capability for robust protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• RoHS compliant

Disadvantages

• Relatively limited breakdown voltage compared to higher-rated TVS diodes
• Requires careful consideration of placement in circuit design to ensure optimal protection coverage

Working Principles

When a transient voltage spike occurs, the BZW04-128HE3/73 TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. By clamping the voltage at a safe level, it prevents damage to sensitive components.

Detailed Application Field Plans

The BZW04-128HE3/73 is commonly used in various electronic applications, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

For applications requiring different breakdown voltages or power handling capabilities, alternative TVS diode models include: - BZW04-5V8B - BZW04-376B - BZW04-13B

In summary, the BZW04-128HE3/73 TVS diode offers effective protection against voltage spikes and transients in electronic circuits, making it a crucial component in ensuring the reliability and longevity of sensitive electronic devices across various industries.