BZW04-40HE3/73

Introduction

The BZW04-40HE3/73 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, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Electronic Components
• Use: The BZW04-40HE3/73 is used to protect electronic circuits from voltage spikes and transients.
• Characteristics: It offers high surge capability, low clamping voltage, and fast response time.
• Package: The diode 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 during voltage surges.
• Packaging/Quantity: The diode is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage - Reverse Standoff (Typ): 40V
• Voltage - Breakdown (Min): 44.4V
• Voltage - Clamping (Max) @ Ipp: 64.5V
• Current - Peak Pulse (10/1000µs): 9.2A
• Power - Peak Pulse: 600W
• Type: Zener
• Unidirectional Channels: 1
• Polarity: Unidirectional

Detailed Pin Configuration

The BZW04-40HE3/73 TVS diode has two pins: 1. Anode 2. Cathode

Functional Features

• Transient Voltage Suppression: Protects against voltage transients by diverting excess current away from sensitive components.
• Fast Response Time: Reacts quickly to voltage spikes, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

• High surge capability
• Low clamping voltage
• Fast response time

Disadvantages

• Unidirectional protection only
• Limited peak pulse current compared to some higher-rated TVS diodes

Working Principles

The BZW04-40HE3/73 operates based on the principle of Zener breakdown. When a voltage transient occurs, the diode conducts excess current to prevent it from reaching the protected circuitry, thereby safeguarding the connected components.

Detailed Application Field Plans

The BZW04-40HE3/73 is commonly used in various applications, including: - Power supplies - Communication systems - Automotive electronics - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative TVS diode models that can be considered as alternatives to the BZW04-40HE3/73 include: - P6KE39CA - 1.5KE33CA - SMAJ40A

In conclusion, the BZW04-40HE3/73 TVS diode is a crucial component in protecting electronic circuits from voltage transients. Its high surge capability, low clamping voltage, and fast response time make it a valuable asset in various applications, despite its unidirectional protection limitation. Understanding its specifications, pin configuration, functional features, and alternative models provides a comprehensive insight into its role within electronic systems.

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