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P4KE82
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P4KE82: Diode Encyclopedia Entry

Introduction

The P4KE82 diode is a crucial component in electronic circuits, providing essential functionality in various applications. This entry provides an in-depth overview of the P4KE82 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 and Basic Information Overview

  • Category: Diode
  • Use: The P4KE82 diode is primarily used for voltage regulation, transient suppression, and surge protection in electronic circuits.
  • Characteristics: It exhibits high reliability, low leakage current, and fast response time.
  • Package: The diode is typically available in a DO-41 package.
  • Essence: The essence of the P4KE82 diode lies in its ability to efficiently clamp transient overvoltage events and protect sensitive electronic components.
  • Packaging/Quantity: It is commonly packaged in reels or bulk quantities for production and assembly purposes.

Specifications

  • Voltage Rating: 82V
  • Peak Pulse Power Dissipation: 400W
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C
  • Forward Voltage Drop: Typically 1.5V at 10A
  • Reverse Leakage Current: Maximum 1μA at 75V

Detailed Pin Configuration

The P4KE82 diode typically features a standard axial lead configuration with two leads, one for the anode and the other for the cathode.

Functional Features

  • Transient Suppression: Effectively clamps transient overvoltage spikes to protect downstream circuitry.
  • Surge Protection: Provides robust surge protection by diverting excessive transient currents away from sensitive components.
  • Fast Response Time: Rapid response to transient events ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

Advantages

  • High reliability and durability
  • Low leakage current
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Higher forward voltage drop compared to some alternative models
  • Sensitive to reverse voltage polarity

Working Principles

The P4KE82 diode operates based on the principle of avalanche breakdown, where it rapidly conducts and clamps transient overvoltage events to a safe level, protecting the connected circuitry.

Detailed Application Field Plans

The P4KE82 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

Some alternative models to the P4KE82 diode include: - P4KE6.8 - P4KE10 - P4KE15 - P4KE20

In summary, the P4KE82 diode is a critical component in electronic circuits, offering reliable transient suppression and surge protection capabilities across a wide range of applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de P4KE82 en soluciones técnicas

  1. What is P4KE82?

    • P4KE82 is a type of transient voltage suppressor diode used to protect electronic circuits from voltage spikes and transients.

  2. What are the key features of P4KE82?

    • P4KE82 has a peak power dissipation of 400W, a breakdown voltage of 82V, and a low clamping voltage, making it suitable for protecting sensitive electronic components.

  3. How does P4KE82 work in technical solutions?

    • P4KE82 works by diverting excess voltage away from sensitive components when a transient voltage spike occurs, preventing damage to the circuit.

  4. Where is P4KE82 commonly used in technical applications?

    • P4KE82 is commonly used in power supplies, communication equipment, automotive electronics, and other systems where protection against voltage transients is necessary.

  5. What are the benefits of using P4KE82 in technical solutions?

    • Using P4KE82 helps to increase the reliability and longevity of electronic devices by safeguarding them against voltage surges and spikes.

  6. How should P4KE82 be installed in a circuit?

    • P4KE82 should be connected in parallel with the circuit being protected, with proper attention to polarity and voltage ratings.

  7. What are the environmental considerations for P4KE82?

    • P4KE82 is typically lead-free and complies with RoHS regulations, making it environmentally friendly.

  8. Are there any limitations to using P4KE82 in technical solutions?

    • While P4KE82 provides effective transient voltage suppression, it is important to ensure that it is properly sized for the application and that other protective measures are also considered.

  9. Can P4KE82 be used in high-frequency applications?

    • Yes, P4KE82 can be used in high-frequency applications, but it's important to consider its frequency response and impedance characteristics.

  10. How can P4KE82 be tested for its effectiveness in a technical solution?

    • P4KE82 can be tested using surge generators or transient voltage suppressor testers to verify its ability to protect against voltage transients.