BZW04-20HE3/73

Product Overview

Category

The BZW04-20HE3/73 belongs to the category of transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic components from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

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

Package

The BZW04-20HE3/73 is available in a DO-204AL (DO-41) package.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

The BZW04-20HE3/73 is typically packaged in reels with quantities varying based on customer requirements.

Specifications

• Standoff Voltage: 17.1V
• Breakdown Voltage: 18.9V
• Maximum Clamping Voltage: 29.2V
• Peak Pulse Current: 40A
• Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The BZW04-20HE3/73 has a standard axial lead configuration with two leads.

Functional Features

• Bi-directional TVS diode
• Low leakage current
• High reliability

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Wide operating temperature range

Disadvantages

• Relatively higher clamping voltage compared to some alternative models
• Limited peak pulse current compared to higher-end TVS diodes

Working Principles

When a transient voltage event occurs, the BZW04-20HE3/73 conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The BZW04-20HE3/73 is commonly used in various applications including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models to consider include: - P6KE18CA: Similar specifications with slightly lower clamping voltage - 1.5KE18CA: Higher peak pulse current and lower clamping voltage

In conclusion, the BZW04-20HE3/73 is a reliable TVS diode that provides effective protection against transient voltage events. Its fast response time and high surge current capability make it suitable for a wide range of applications, although users should consider alternative models for specific performance requirements.