P4KE18A-B

Introduction

The P4KE18A-B belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The P4KE18A-B is designed to provide effective protection for a wide range of electronic devices and circuits.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: Axial leaded, DO-41 package
• Essence: Safeguarding electronic components from voltage surges
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

• Peak Power Dissipation: 400W
• Breakdown Voltage: 16.7V to 18.5V
• Operating Temperature Range: -55°C to 175°C
• Storage Temperature Range: -55°C to 175°C
• Forward Voltage: 3.5V at 1A
• Reverse Standoff Voltage: 15.3V to 17.1V

Detailed Pin Configuration

The P4KE18A-B typically has two leads, with the anode connected to one lead and the cathode connected to the other. The pin configuration follows the standard axial leaded diode layout.

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to safe levels
• Low Clamping Voltage: Provides effective protection for sensitive electronics
• Fast Response Time: Reacts quickly to voltage spikes, minimizing potential damage

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Low clamping voltage ensures minimal impact on protected circuits
• Fast response time enhances overall system reliability

Disadvantages

• Limited to specific voltage ranges
• May require additional circuitry for comprehensive surge protection

Working Principles

The P4KE18A-B operates by diverting excessive transient current away from sensitive components when a voltage spike occurs. This action effectively limits the voltage across the protected load, preventing damage.

Detailed Application Field Plans

The P4KE18A-B is widely used in various applications, including: - Power supply units - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P4KE6.8A-B: Lower breakdown voltage variant
• P4KE30A-B: Higher breakdown voltage variant
• P4KE18CA-B: Closest alternative with similar specifications

In conclusion, the P4KE18A-B transient voltage suppressor diode offers reliable protection against voltage spikes and transients, making it an essential component in numerous electronic systems.

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