P4KE8.2CAHR1G - Product Overview and Analysis

Introduction

The P4KE8.2CAHR1G belongs to the category of transient voltage suppressor diodes (TVS diodes) and is widely used for surge protection in electronic circuits. This entry provides a comprehensive overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diodes (TVS Diodes)
• Use: Surge protection in electronic circuits
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: Axial leaded, DO-41 package
• Essence: TVS diode for transient voltage suppression
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Voltage - Reverse Standoff (Typ): 7.37V
• Voltage - Breakdown (Min): 8.22V
• Voltage - Clamping (Max) @ Ipp: 14.5V
• Current - Peak Pulse (10/1000µs): 6.5A
• Power - Peak Pulse: 400W
• Type: Zener

Detailed Pin Configuration

The P4KE8.2CAHR1G TVS diode has an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to a safe level
• Fast Response Time: Rapid reaction to transient voltage spikes
• High Surge Capability: Capable of handling high surge currents without degradation

Advantages and Disadvantages

Advantages

• Effective surge protection for sensitive electronic components
• Low clamping voltage ensures minimal impact on protected circuits
• Compact and easy to integrate into circuit designs

Disadvantages

• Limited peak pulse current compared to some higher-rated TVS diodes
• May require additional components for comprehensive surge protection in complex systems

Working Principles

The P4KE8.2CAHR1G TVS diode operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the circuit to a safe level, protecting sensitive components from damage.

Detailed Application Field Plans

The P4KE8.2CAHR1G TVS diode finds extensive use in various applications, including: - Consumer Electronics: Protection of USB ports, audio/video inputs, and power supply lines in consumer devices - Telecommunications: Surge protection for communication interfaces and network equipment - Automotive Electronics: Safeguarding automotive control units and infotainment systems from voltage transients - Industrial Equipment: Protection of sensors, actuators, and control systems in industrial machinery

Detailed and Complete Alternative Models

• P4KE6.8CAHR1G: Lower voltage variant suitable for applications requiring a lower clamping voltage
• P4KE10CAHR1G: Higher voltage variant offering increased protection for circuits operating at higher voltages
• P4KE8.2AHR1G: Similar model with a different package type for specific mounting requirements

In conclusion, the P4KE8.2CAHR1G TVS diode offers effective surge protection with its low clamping voltage, high surge capability, and fast response time. While it has limitations in peak pulse current, its compact design and reliable performance make it a popular choice for various electronic applications.

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