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P4KE400-B
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P4KE400-B

Introduction

The P4KE400-B belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are used to protect sensitive electronic components from voltage spikes and transients. The P4KE400-B is specifically designed to provide protection for electronic circuits against voltage surges caused by lightning, inductive load switching, and electrostatic discharge.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: DO-41
  • Essence: Silicon junction diode
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies based on supplier

Specifications

  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 356V to 444V
  • Operating Temperature Range: -55°C to 175°C
  • Storage Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The P4KE400-B TVS diode typically has two pins, anode, and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground or negative side of the circuit.

Functional Features

  • Transient Voltage Suppression: Rapidly clamps transient voltages to a safe level, protecting downstream components.
  • Fast Response Time: Quickly responds to voltage spikes, minimizing the risk of damage to sensitive electronics.
  • Low Clamping Voltage: Limits the voltage across the protected circuit, preventing damage to connected devices.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited peak power dissipation compared to higher-rated TVS diodes
  • May require additional circuitry for comprehensive surge protection in high-power applications

Working Principles

When a voltage spike occurs, the P4KE400-B TVS diode conducts current and clamps the voltage to a safe level, diverting excess energy away from the protected circuit. This rapid response helps prevent damage to sensitive electronic components.

Detailed Application Field Plans

The P4KE400-B TVS diode finds application in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE400CA: Similar TVS diode with a slightly higher peak power dissipation
  • 1.5KE400A: TVS diode with higher surge capability and different package type
  • SMCJ400A: Surface mount TVS diode with similar characteristics but different form factor

In conclusion, the P4KE400-B TVS diode offers effective protection against voltage transients and is suitable for a wide range of electronic applications. Its fast response time and low clamping voltage make it a valuable component in safeguarding sensitive circuits from potential damage.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de P4KE400-B en soluciones técnicas

  1. What is the maximum voltage rating of P4KE400-B?

    • The maximum voltage rating of P4KE400-B is 400V.

  2. What is the peak power dissipation of P4KE400-B?

    • The peak power dissipation of P4KE400-B is 400W.

  3. What is the typical application of P4KE400-B?

    • P4KE400-B is commonly used for transient voltage suppression in electronic circuits to protect sensitive components from voltage spikes.

  4. What is the breakdown voltage of P4KE400-B?

    • The breakdown voltage of P4KE400-B is typically 355V to 445V.

  5. What is the clamping voltage of P4KE400-B?

    • The clamping voltage of P4KE400-B is typically 648V at 10A.

  6. What is the operating temperature range of P4KE400-B?

    • P4KE400-B has an operating temperature range of -55°C to 175°C.

  7. Is P4KE400-B RoHS compliant?

    • Yes, P4KE400-B is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.

  8. Can P4KE400-B be used for surge protection in power supply units?

    • Yes, P4KE400-B is suitable for surge protection in power supply units and other electronic equipment.

  9. What is the response time of P4KE400-B?

    • The response time of P4KE400-B is very fast, typically in the nanosecond range.

  10. Does P4KE400-B require a heat sink for proper operation?

    • In most applications, P4KE400-B does not require a heat sink due to its high power dissipation capability. However, in high-power or continuous operation scenarios, a heat sink may be recommended.