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P4KE440C
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P4KE440C - English Editing Encyclopedia Entry

Introduction

The P4KE440C is a transient voltage suppressor diode that belongs to the category of electronic components used for protecting sensitive electronic devices from voltage spikes and transients. This entry provides an overview of the P4KE440C, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Components
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, fast response time, low clamping voltage
  • Package: DO-41 or similar
  • Essence: Transient Voltage Suppressor Diode
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Part Number: P4KE440C
  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 376V to 414V
  • Operating Temperature Range: -55°C to 175°C
  • Forward Voltage Drop: <3.5V at 10A

Detailed Pin Configuration

The P4KE440C typically has two leads with a standard axial-lead package configuration. The anode and cathode terminals are clearly marked on the body of the diode.

Functional Features

  • Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage transients.
  • Fast Response Time: Responds quickly to transient events, minimizing the risk of damage to connected circuits.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes and transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Clamping voltage may not be suitable for all applications
  • Requires careful consideration of placement and circuit design for optimal performance

Working Principles

The P4KE440C operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly conducts excess current, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The P4KE440C is commonly used in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P4KE6.8C: Lower breakdown voltage variant
  • P4KE510C: Higher breakdown voltage variant
  • P4KE440CA: Bidirectional transient voltage suppressor diode

In conclusion, the P4KE440C transient voltage suppressor diode offers effective protection against voltage spikes and transients in a wide range of electronic applications. Its fast response time and high surge capability make it a valuable component for ensuring the reliability and longevity of sensitive electronic devices.

Word Count: 410

기술 솔루션에 P4KE440C 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is P4KE440C?

    • P4KE440C is a type of transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What are the key features of P4KE440C?

    • P4KE440C features a peak power dissipation of 400W, low clamping voltage, and fast response time.

  3. In what applications can P4KE440C be used?

    • P4KE440C is commonly used in power supplies, automotive electronics, industrial equipment, and telecommunications systems to protect sensitive components from voltage surges.

  4. How does P4KE440C provide protection against voltage spikes?

    • P4KE440C operates by diverting excessive voltage away from the protected circuit, thereby preventing damage to the connected devices.

  5. What is the maximum voltage rating of P4KE440C?

    • The maximum voltage rating of P4KE440C is 356V.

  6. What is the typical response time of P4KE440C?

    • The typical response time of P4KE440C is very fast, typically in the nanosecond range.

  7. Can P4KE440C be used for surge protection in outdoor applications?

    • Yes, P4KE440C is suitable for outdoor applications where protection against lightning-induced surges is required.

  8. Are there any specific mounting or handling considerations for P4KE440C?

    • P4KE440C should be mounted close to the protected circuit and with short leads to minimize inductance. Proper ESD precautions should be taken during handling.

  9. What is the temperature range for P4KE440C operation?

    • P4KE440C is designed to operate within a temperature range of -55°C to 175°C.

  10. Is P4KE440C RoHS compliant?

    • Yes, P4KE440C is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it suitable for use in environmentally conscious designs.