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P4KE18C
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P4KE18C - Product Encyclopedia Entry

Introduction

P4KE18C is a diode belonging to the category of transient voltage suppressors (TVS). This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of P4KE18C.

Basic Information Overview

  • Category: Transient Voltage Suppressors (TVS)
  • Use: Protecting sensitive electronic components from voltage transients
  • Characteristics: Fast response time, low clamping voltage, high surge current capability
  • Package: DO-41 or similar package
  • Essence: Diode for transient voltage suppression
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 18V
  • Power Dissipation: 400W
  • Breakdown Voltage: 20.2V to 22.5V
  • Operating Temperature: -55°C to 175°C
  • Storage Temperature: -55°C to 175°C

Detailed Pin Configuration

P4KE18C typically has two leads in a DO-41 package. The anode is connected to one lead, and the cathode is connected to the other lead.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
  • Fast Response Time: Reacts quickly to voltage spikes, minimizing the risk of damage to connected devices.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited to specific voltage ratings
  • Requires careful selection based on application requirements

Working Principles

P4KE18C operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode conducts and diverts the excess current away from the protected circuit, limiting the voltage across it.

Detailed Application Field Plans

P4KE18C is commonly used 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 P4KE18C include: - P4KE6.8C - P4KE10C - P4KE15C - P4KE24C

In conclusion, P4KE18C is a vital component in protecting electronic circuits from voltage transients, offering fast response times and low clamping voltages. Its application spans across various industries, and there are alternative models available to suit different voltage requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de P4KE18C en soluciones técnicas

  1. What is P4KE18C?

    • P4KE18C 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 P4KE18C?

    • P4KE18C features a peak power dissipation of 400W, low clamping voltage, and fast response time.

  3. Where is P4KE18C commonly used in technical solutions?

    • P4KE18C is commonly used in power supplies, automotive electronics, industrial equipment, and telecommunications systems.

  4. How does P4KE18C provide protection in technical solutions?

    • P4KE18C diverts excessive voltage away from sensitive components by conducting when the voltage exceeds a certain level, thereby protecting the circuit.

  5. What is the operating temperature range of P4KE18C?

    • P4KE18C typically operates within a temperature range of -55°C to 175°C.

  6. What are the mounting options for P4KE18C?

    • P4KE18C can be mounted on printed circuit boards using through-hole or surface mount techniques.

  7. Is P4KE18C RoHS compliant?

    • Yes, P4KE18C is RoHS compliant, making it suitable for use in environmentally conscious designs.

  8. What are the potential failure modes of P4KE18C in technical solutions?

    • Potential failure modes include thermal runaway, overvoltage breakdown, and physical damage due to mechanical stress.

  9. Can P4KE18C be used for ESD protection?

    • Yes, P4KE18C can be used for electrostatic discharge (ESD) protection in various electronic devices and systems.

  10. Are there any recommended application notes or guidelines for using P4KE18C in technical solutions?

    • Yes, manufacturers typically provide application notes and guidelines for proper selection, placement, and usage of P4KE18C in technical solutions.