Littelfuse Inc.
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
P4KE300-B
Zobrazit detail DataSheets

P4KE300-B

Introduction

The P4KE300-B belongs to the category of transient voltage suppressor diodes (TVS diodes) and is commonly used for protecting sensitive electronics from voltage spikes and transients. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the P4KE300-B.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protecting sensitive electronics from voltage spikes and transients
  • Characteristics: Fast response time, high surge capability, low clamping voltage
  • Package: DO-41
  • Essence: Silicon TVS Diode
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

  • Peak Pulse Power: 400 W
  • Breakdown Voltage: 300 V
  • Operating Voltage: 257 V
  • Clamping Voltage: 414 V
  • Peak Pulse Current: 9.2 A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE300-B TVS diode has a standard DO-41 package with two leads. The anode is connected to one lead, and the cathode is connected to the other lead.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal damage to the protected circuit.
  • High Surge Capability: Can withstand large surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High surge capability

Disadvantages

  • Clamping voltage may be relatively high for some applications
  • Requires careful consideration of placement and routing for optimal performance

Working Principles

The P4KE300-B operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the protected load.

Detailed Application Field Plans

The P4KE300-B is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE300CA: Similar specifications with a different package (DO-15)
  • 1.5KE300A: Higher peak pulse power rating with similar breakdown voltage
  • SA5.0CA: Lower clamping voltage with comparable peak pulse power

In conclusion, the P4KE300-B 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 in safeguarding sensitive circuits from potential damage.

[Word count: 443]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE300-B v technických řešeních

  1. What is the maximum voltage rating of P4KE300-B?

    • The maximum voltage rating of P4KE300-B is 300 volts.

  2. What is the peak power dissipation of P4KE300-B?

    • The peak power dissipation of P4KE300-B is typically 400 watts.

  3. What is the typical clamping voltage of P4KE300-B?

    • The typical clamping voltage of P4KE300-B is around 486 volts at 10A.

  4. What are the typical applications for P4KE300-B?

    • P4KE300-B is commonly used in surge protection for sensitive electronics, such as in power supplies, telecommunications equipment, and industrial controls.

  5. What is the breakdown voltage of P4KE300-B?

    • The breakdown voltage of P4KE300-B is typically between 333V and 369V.

  6. Is P4KE300-B suitable for overvoltage protection in automotive applications?

    • Yes, P4KE300-B can be used for overvoltage protection in automotive applications where transient voltage suppression is required.

  7. What is the response time of P4KE300-B to a transient surge?

    • The response time of P4KE300-B is very fast, typically in the nanosecond range, providing quick protection against transient surges.

  8. Can P4KE300-B be used in high-speed data communication systems?

    • Yes, P4KE300-B is suitable for use in high-speed data communication systems to protect against voltage transients.

  9. Does P4KE300-B require any external components for proper operation?

    • P4KE300-B can be used standalone but may benefit from additional circuitry for specific application requirements, such as filtering or current limiting.

  10. What are the environmental considerations for using P4KE300-B?

    • P4KE300-B is designed to meet industry standards for environmental performance and is suitable for use in various operating conditions, including temperature and humidity variations.