P4KE18HE3/73 Encyclopedia Entry

Product Overview

Category

The P4KE18HE3/73 belongs to the category of transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transients.

Characteristics

• Fast response time
• Low clamping voltage
• High surge current capability

Package

The P4KE18HE3/73 is typically available in a DO-41 package.

Essence

The essence of the P4KE18HE3/73 lies in its ability to divert excessive voltage away from sensitive components, thereby safeguarding them from damage.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power Dissipation: 400W
• Breakdown Voltage: 16.7V to 18.5V
• Maximum Clamping Voltage: 29.2V at 10A
• Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The P4KE18HE3/73 typically has two pins, with the anode and cathode connections clearly marked on the device.

Functional Features

• Transient voltage suppression
• Reverse avalanche breakdown protection
• Fast response to voltage transients

Advantages

• Effective protection against voltage spikes
• Fast reaction time
• Wide operating temperature range

Disadvantages

• Limited power dissipation capability
• Requires proper installation for optimal performance

Working Principles

When a voltage spike occurs, the P4KE18HE3/73 conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The P4KE18HE3/73 is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• P4KE6.8HE3/73
• P4KE10HE3/73
• P4KE15HE3/73
• P4KE22HE3/73

This comprehensive range of alternative models provides options for different voltage protection requirements.

---

This entry provides a detailed overview of the P4KE18HE3/73 transient voltage suppressor diode, covering its basic information, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.