P4KE350A Diode: Encyclopedia Entry

Introduction

The P4KE350A diode is a crucial component in electronic circuits, belonging to the category of transient voltage suppressor (TVS) diodes. 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 P4KE350A diode.

Basic Information Overview

Category: Transient Voltage Suppressor (TVS) Diode
Use: Protecting sensitive electronic components from voltage transients
Characteristics: Fast response time, low clamping voltage, high surge current capability
Package: Axial leaded, surface mount
Essence: Provides overvoltage protection to electronic circuits
Packaging/Quantity: Available in reels, tubes, or bulk packaging with varying quantities

Specifications

Peak Pulse Power: 400W
Breakdown Voltage: 308V to 342V
Operating Temperature Range: -55°C to +175°C
Polarity: Unidirectional

Detailed Pin Configuration

The P4KE350A diode has a standard axial leaded or surface mount package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

Transient Voltage Suppression: Rapidly clamps excessive voltage levels to protect downstream components.
Fast Response Time: Reacts quickly to voltage transients, safeguarding sensitive electronics.
High Surge Current Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

Effective protection against voltage spikes
Fast response time
Wide operating temperature range

Disadvantages

Unidirectional protection only
Requires proper circuit design for optimal performance

Working Principles

The P4KE350A diode operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action prevents damage to sensitive components by limiting the voltage across them.

Detailed Application Field Plans

The P4KE350A diode finds extensive use in various applications, including: - Power Supplies: Protecting power supply units from voltage surges - Telecommunications Equipment: Safeguarding sensitive communication devices from lightning-induced surges - Automotive Electronics: Providing overvoltage protection in automotive systems - Industrial Control Systems: Shielding control circuits from electrical disturbances

Detailed and Complete Alternative Models

Several alternative models to the P4KE350A diode exist, offering similar transient voltage suppression capabilities. Some notable alternatives include: - 1.5KE350A: Comparable TVS diode with higher peak pulse power rating - 5KP350A: Higher power TVS diode suitable for industrial applications - P6KE350A: TVS diode with similar characteristics but in a different package format

In conclusion, the P4KE350A diode serves as a critical component in protecting electronic circuits from voltage transients. Its fast response time, high surge current capability, and wide operating temperature range make it a versatile choice for various applications.

Word Count: 411