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P4KE30A
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P4KE30A Diode - Encyclopedia Entry

Introduction

The P4KE30A diode is a crucial component in electronic circuits, providing protection against voltage spikes and surges. This encyclopedia entry will provide an in-depth overview of the P4KE30A diode, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Overview

  • Category: Diode
  • Use: Voltage spike and surge protection
  • Characteristics: Fast response time, high surge capability
  • Package: Axial leaded
  • Essence: Protection against transient overvoltage conditions
  • Packaging/Quantity: Available in reels or bulk packaging

Specifications

  • Voltage Rating: 30V
  • Power Dissipation: 400W
  • Operating Temperature Range: -55°C to 175°C
  • Storage Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The P4KE30A diode has an axial leaded package with two leads. The cathode lead is typically marked with a band for easy identification.

Functional Features

  • Transient Protection: Provides rapid response to voltage spikes and surges, safeguarding sensitive electronic components.
  • Low Clamping Voltage: Limits the peak voltage during transient events, protecting downstream circuitry.
  • Fast Reaction Time: Reacts quickly to transient overvoltage conditions, minimizing the risk of damage.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Low clamping voltage for enhanced protection
  • Fast response time

Disadvantages

  • Limited to specific voltage and power ratings
  • Requires careful consideration of reverse leakage current

Working Principles

The P4KE30A diode operates based on the principle of avalanche breakdown. When a voltage surge occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action prevents the voltage from reaching damaging levels and ensures the safety of connected components.

Detailed Application Field Plans

The P4KE30A diode finds extensive use in various applications, including: - Power supply units - Automotive electronics - Industrial control systems - Telecommunication equipment - Consumer electronics

Detailed and Complete Alternative Models

  • P4KE6.8A: 6.8V rating, 400W power dissipation
  • P4KE10A: 10V rating, 400W power dissipation
  • P4KE18A: 18V rating, 400W power dissipation
  • P4KE36A: 36V rating, 400W power dissipation

In conclusion, the P4KE30A diode serves as a critical component in protecting electronic circuits from voltage transients. Its fast response time, high surge capability, and low clamping voltage make it an essential choice for various applications. Understanding its specifications, functional features, and alternative models is vital for effective utilization in electronic designs.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de P4KE30A en soluciones técnicas

  1. What is P4KE30A?

    • P4KE30A is a transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power of P4KE30A?

    • The maximum peak pulse power of P4KE30A is 400 watts.

  3. What is the breakdown voltage of P4KE30A?

    • The breakdown voltage of P4KE30A is 30 volts.

  4. What are the typical applications of P4KE30A?

    • P4KE30A is commonly used in surge protection for sensitive electronics, such as in power supplies, communication equipment, and automotive systems.

  5. What is the operating temperature range of P4KE30A?

    • The operating temperature range of P4KE30A is typically -55°C to +175°C.

  6. How does P4KE30A provide transient voltage suppression?

    • P4KE30A clamps the voltage during transient events by diverting excess current away from the protected circuit.

  7. What is the response time of P4KE30A to voltage transients?

    • The response time of P4KE30A is very fast, typically in the nanosecond range.

  8. Can P4KE30A be used for overvoltage protection in DC power lines?

    • Yes, P4KE30A can be used to protect DC power lines from overvoltage events.

  9. Is P4KE30A suitable for high-frequency applications?

    • Yes, P4KE30A is suitable for high-frequency applications due to its fast response time and low capacitance.

  10. What are the packaging options available for P4KE30A?

    • P4KE30A is available in various package types, including DO-41, SMC, and SMB packages.