Vishay Semiconductor Diodes Division
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P4KE18AHE3/54
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P4KE18AHE3/54: Product Overview and Analysis

Introduction

The P4KE18AHE3/54 is a crucial component in the field of electronics, offering a range of applications and features. This entry will provide an in-depth analysis of the product, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Component
  • Use: Voltage Suppression
  • Characteristics: High reliability, fast response time, low clamping voltage
  • Package: DO-41
  • Essence: Transient Voltage Suppressor (TVS) Diode
  • Packaging/Quantity: Tape & Reel, 5000 units per reel

Specifications

  • Part Number: P4KE18AHE3/54
  • Peak Pulse Power: 400 W
  • Breakdown Voltage: 16.7 V to 18.5 V
  • Operating Temperature Range: -55°C to +175°C
  • Reverse Standoff Voltage: 15.3 V
  • Maximum Clamping Voltage: 25.2 V
  • RoHS Compliant: Yes

Detailed Pin Configuration

The P4KE18AHE3/54 follows the standard DO-41 package configuration with two leads.

Functional Features

  • Voltage Suppression: Protects sensitive electronic components from voltage spikes.
  • Fast Response Time: Rapid reaction to transient voltage events.
  • Low Clamping Voltage: Limits the voltage across the protected circuit.

Advantages and Disadvantages

Advantages

  • Reliable protection against voltage transients
  • Wide operating temperature range
  • RoHS compliant

Disadvantages

  • Limited breakdown voltage options
  • Single-channel protection

Working Principles

The P4KE18AHE3/54 operates by diverting excess voltage away from sensitive components, ensuring that they are not damaged by transient voltage events. When a surge occurs, the diode rapidly conducts, shunting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The P4KE18AHE3/54 finds extensive use in various applications, including: - Power Supplies - Automotive Electronics - Telecommunications Equipment - Industrial Control Systems - Consumer Electronics

Detailed and Complete Alternative Models

  • P4KE6.8AHE3/54: Lower breakdown voltage option
  • P4KE30AHE3/54: Higher breakdown voltage option
  • P4KE18CAHE3/54: Similar characteristics with different breakdown voltage

In conclusion, the P4KE18AHE3/54 plays a vital role in protecting electronic circuits from voltage transients, offering reliable performance and a wide range of applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE18AHE3/54 v technických řešeních

Sure, here are 10 common questions and answers related to the application of P4KE18AHE3/54 in technical solutions:

  1. What is the maximum peak pulse power dissipation of P4KE18AHE3/54?

    • The maximum peak pulse power dissipation is 400W for a 10/1000μs waveform.

  2. What is the breakdown voltage of P4KE18AHE3/54?

    • The breakdown voltage is 16.7V minimum and 18.5V maximum at 1mA.

  3. Can P4KE18AHE3/54 be used for overvoltage protection in power supplies?

    • Yes, P4KE18AHE3/54 can be used to protect power supplies from overvoltage transients.

  4. What is the typical clamping voltage of P4KE18AHE3/54?

    • The typical clamping voltage is 29.2V at 24A for a 10/1000μs waveform.

  5. Is P4KE18AHE3/54 suitable for surge protection in telecommunications equipment?

    • Yes, P4KE18AHE3/54 is commonly used for surge protection in telecommunications equipment.

  6. What is the operating temperature range of P4KE18AHE3/54?

    • The operating temperature range is -55°C to +175°C.

  7. Can P4KE18AHE3/54 be used for ESD protection in electronic circuits?

    • Yes, P4KE18AHE3/54 can provide ESD protection for electronic circuits.

  8. What is the response time of P4KE18AHE3/54 to transient voltage spikes?

    • The response time is typically less than 1 picosecond.

  9. Does P4KE18AHE3/54 meet industry standards for surge protection devices?

    • Yes, P4KE18AHE3/54 meets industry standards such as IEC 61000-4-5 for surge protection.

  10. Are there any recommended layout considerations when using P4KE18AHE3/54 in a circuit?

    • It is recommended to minimize lead lengths and provide adequate thermal management for optimal performance.

I hope these questions and answers are helpful for your technical solutions! Let me know if you need further assistance.