5KP28A-HR Product Overview

Introduction

The 5KP28A-HR is a high-reliability transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive overview of the 5KP28A-HR, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The 5KP28A-HR belongs to the category of transient voltage suppressor diodes and is primarily used for surge protection in various electronic circuits and systems. Its main purpose is to divert excessive current away from sensitive components during transient voltage events, thereby safeguarding them from damage.

Characteristics

• Package: The 5KP28A-HR is typically available in a DO-201AD package.
• Essence: It is designed to provide robust transient voltage suppression capabilities.
• Packaging/Quantity: The diode is commonly packaged in reels or trays, with specific quantities per package varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 5000 W
• Breakdown Voltage: 28 V
• Operating Temperature Range: -55°C to +175°C
• Reverse Standoff Voltage: 23.1 V
• Maximum Clamping Voltage: 45.4 V
• Forward Voltage Drop: 3.5 V at 100 A

Detailed Pin Configuration

The 5KP28A-HR typically features a standard axial lead configuration with two leads for connection to the circuit.

Functional Features

• Transient Suppression: Effectively clamps transient voltages to safe levels.
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on protected circuits.
• High Power Handling Capacity: Capable of dissipating large amounts of transient energy.

Advantages and Disadvantages

Advantages

• Robust transient voltage suppression capabilities
• Fast response time
• High power handling capacity

Disadvantages

• Higher forward voltage drop compared to some alternative models
• Relatively larger physical size compared to some surface-mount devices

Working Principles

The 5KP28A-HR operates based on the principle of avalanche breakdown, where it rapidly conducts when the voltage across it exceeds the breakdown voltage, effectively shunting excess current away from the protected circuit.

Detailed Application Field Plans

The 5KP28A-HR finds extensive use in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the 5KP28A-HR include: - P6KE28CA: Similar peak pulse power and breakdown voltage - 1.5KE28A: Comparable characteristics with different package options - SA28CA: Surface-mount alternative with similar specifications

In conclusion, the 5KP28A-HR transient voltage suppressor diode offers robust protection against transient voltage events and finds widespread use in diverse electronic applications.

[Word Count: 498]