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P4KE51-B
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P4KE51-B

Introduction

The P4KE51-B is a diode belonging to the category of transient voltage suppressor (TVS) diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The P4KE51-B is specifically designed to provide protection against overvoltage events in various electronic circuits.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, high surge capability, low clamping voltage
  • Package: DO-41 or similar package
  • Essence: Safeguarding electronic components from voltage surges
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Voltage Rating: 43.6V
  • Power Dissipation: 400W
  • Breakdown Voltage: 48.5V
  • Operating Temperature Range: -55°C to 175°C
  • Storage Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The P4KE51-B typically has two pins, anode, and cathode, which are connected in reverse bias across the circuit to be protected.

Functional Features

  • Transient Voltage Suppression: Rapidly clamps excessive voltage levels to protect downstream components.
  • Fast Response Time: Quickly responds to voltage transients to prevent damage to sensitive electronics.
  • High Surge Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Clamping voltage may still allow some voltage to pass through, albeit at reduced levels
  • Requires careful consideration of placement within the circuit for optimal protection

Working Principles

The P4KE51-B operates based on the principle of avalanche breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action effectively limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The P4KE51-B finds application in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P4KE6.8-B: Lower voltage rating
  • P4KE120-B: Higher voltage rating
  • P6KE51-B: Similar characteristics with a different package type

In conclusion, the P4KE51-B transient voltage suppressor diode offers effective protection against voltage spikes and transients in a wide range of electronic applications. Its fast response time, high surge capability, and reliable performance make it a valuable component in safeguarding sensitive electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KE51-B v technických řešeních

Sure, here are 10 common questions and answers related to the application of P4KE51-B in technical solutions:

  1. What is P4KE51-B?

    • P4KE51-B is a transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power of P4KE51-B?

    • The maximum peak pulse power of P4KE51-B is typically 400 watts.

  3. What is the breakdown voltage of P4KE51-B?

    • The breakdown voltage of P4KE51-B is 51 volts.

  4. How does P4KE51-B protect electronic circuits?

    • P4KE51-B clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. In what applications can P4KE51-B be used?

    • P4KE51-B is commonly used in power supplies, automotive electronics, telecommunications equipment, and industrial control systems.

  6. What is the response time of P4KE51-B?

    • The response time of P4KE51-B is very fast, typically in the nanosecond range, providing quick protection against voltage transients.

  7. Can P4KE51-B be used for overvoltage protection in DC circuits?

    • Yes, P4KE51-B is suitable for overvoltage protection in DC circuits, providing reliable protection against voltage surges.

  8. What is the operating temperature range of P4KE51-B?

    • The operating temperature range of P4KE51-B is usually between -55°C to +175°C, making it suitable for a wide range of environments.

  9. Does P4KE51-B require any external components for proper operation?

    • P4KE51-B can be used independently but may benefit from additional circuitry such as resistors and capacitors for optimal performance in specific applications.

  10. Is P4KE51-B RoHS compliant?

    • Yes, P4KE51-B is typically RoHS compliant, meeting environmental standards for lead-free manufacturing.

These questions and answers cover various aspects of the application and characteristics of P4KE51-B in technical solutions.