P4KE440A-E3/54

Introduction

The P4KE440A-E3/54 is a transient voltage suppressor diode that belongs to the category of electronic components used for protecting sensitive electronic devices from voltage spikes and transients. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the P4KE440A-E3/54.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protecting electronic devices from voltage spikes and transients
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: DO-41
• Essence: Provides overvoltage protection to electronic circuits
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier

Specifications

• Part Number: P4KE440A-E3/54
• Peak Pulse Power: 400W
• Breakdown Voltage: 484V
• Clamping Voltage: 658V
• Operating Temperature Range: -55°C to +175°C
• Polarity: Unidirectional

Detailed Pin Configuration

The P4KE440A-E3/54 has two pins and follows the standard pin configuration for DO-41 package diodes.

Functional Features

• Transient Voltage Suppression: Quickly responds to overvoltage conditions and diverts excess current away from sensitive components.
• Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.
• Fast Response Time: Reacts rapidly to voltage spikes, providing effective protection.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• High surge capability

Disadvantages

• Unidirectional protection only
• May require additional components for comprehensive overvoltage protection

Working Principles

The P4KE440A-E3/54 operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode enters a high-conductivity state, diverting excess current away from the protected circuit and limiting the voltage across it.

Detailed Application Field Plans

The P4KE440A-E3/54 is commonly used in various electronic systems and equipment, including: - Power supplies - Communication systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P4KE6.8A-E3/54: Breakdown Voltage: 6.8V
• P4KE10A-E3/54: Breakdown Voltage: 10V
• P4KE15A-E3/54: Breakdown Voltage: 15V
• P4KE20A-E3/54: Breakdown Voltage: 20V
• P4KE30A-E3/54: Breakdown Voltage: 30V

In summary, the P4KE440A-E3/54 transient voltage suppressor diode is a crucial component for protecting electronic circuits from voltage transients. Its fast response time, high surge capability, and low clamping voltage make it suitable for a wide range of applications, although it has limitations such as unidirectional protection and potential need for supplementary protection components. Understanding its specifications, working principles, and alternatives is essential for effectively integrating it into electronic designs.

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