P4KE12C Diode: Encyclopedia Entry

Introduction

The P4KE12C diode is a crucial component in the field of electronics and electrical engineering. This encyclopedia entry provides an in-depth overview of the P4KE12C diode, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The P4KE12C diode belongs to the category of transient voltage suppressor (TVS) diodes. These diodes are designed to protect electronic circuits from overvoltage transients caused by lightning, electrostatic discharge (ESD), and other forms of voltage surges.

Basic Information Overview

• Use: The P4KE12C diode is used to limit transient voltage spikes in electronic circuits, thereby protecting sensitive components.
• Characteristics: It exhibits high surge capability, low clamping voltage, and fast response time.
• Package: The diode is typically available in a DO-41 package.
• Essence: Its essence lies in providing robust protection against voltage surges.
• Packaging/Quantity: The diode is commonly packaged in reels or bulk quantities for industrial applications.

Specifications

• Peak Pulse Power Dissipation: 400W
• Breakdown Voltage: 10.5V to 11.6V
• Operating Temperature Range: -55°C to +175°C
• Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE12C diode has a standard axial lead configuration with two leads. The cathode is typically marked with a band or a line for easy identification.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltage spikes to a safe level.
• Fast Response Time: Rapidly responds to voltage surges, minimizing the risk of damage to connected components.
• Low Clamping Voltage: Provides efficient protection with minimal impact on the circuit's normal operation.

Advantages and Disadvantages

Advantages

• Robust transient voltage suppression
• Fast response time
• Compact form factor
• Wide operating temperature range

Disadvantages

• Limited breakdown voltage range
• Sensitive to reverse bias conditions

Working Principles

When a voltage surge occurs, the P4KE12C diode conducts and diverts the excess energy away from the protected circuit, limiting the voltage to a safe level. This process safeguards the connected components from potential damage.

Detailed Application Field Plans

The P4KE12C diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P4KE6C: Lower breakdown voltage variant
• P4KE15C: Higher breakdown voltage variant
• 1.5KE12C: Alternative TVS diode with similar characteristics

In conclusion, the P4KE12C diode plays a critical role in protecting electronic circuits from transient voltage spikes, making it an indispensable component in modern electronic designs.

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