P4KE68A: Product Overview and Analysis

Introduction

The P4KE68A is a specialized electronic component belonging to the category of transient voltage suppressor diodes. This entry provides an in-depth overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protecting sensitive electronic components from voltage transients
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: DO-41 (DO-204AL)
• Essence: Silicon-based semiconductor device
• Packaging/Quantity: Available in tape and reel packaging, with varying quantities based on supplier specifications

Specifications

• Voltage Rating: 68V
• Power Dissipation: 400W
• Operating Temperature: -55°C to +175°C
• Storage Temperature: -55°C to +175°C
• Forward Voltage Drop: 3.5V at 1A
• Reverse Standoff Voltage: 58.1V
• Breakdown Voltage: 64.6V
• Maximum Clamping Voltage: 121V at 10A

Detailed Pin Configuration

The P4KE68A follows the standard DO-41 (DO-204AL) package configuration, with two leads for connection. The anode lead is typically longer than the cathode lead, allowing for easy identification and installation.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
• Fast Response Time: Rapid reaction to voltage transients, minimizing potential damage.
• High Surge Capability: Ability to handle large surge currents without degradation.
• Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal impact on the protected circuit
• High surge capability for robust performance
• Low clamping voltage protects sensitive components

Disadvantages

• Limited to specific voltage ratings
• Requires proper installation and circuit design for optimal performance

Working Principles

The P4KE68A 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, safeguarding sensitive components from potential damage.

Detailed Application Field Plans

The P4KE68A finds extensive use in various applications, including: - Power Supplies: Protecting voltage-sensitive components in power supply circuits - Telecommunication Equipment: Safeguarding communication devices from voltage surges - Automotive Electronics: Ensuring protection against electrical disturbances in automotive systems - Industrial Control Systems: Shielding control electronics from transient events

Detailed and Complete Alternative Models

• P4KE6.8CA: Similar characteristics with a slightly lower voltage rating
• P4KE75A: Higher voltage rating with comparable characteristics
• P4KE100A: Higher voltage rating and power dissipation capacity

In conclusion, the P4KE68A transient voltage suppressor diode offers effective protection against voltage transients, with fast response times and high surge capabilities. Understanding its specifications, functional features, and application field plans is crucial for successful integration into electronic circuits.

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