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P4KE91-B
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P4KE91-B Product Overview

Introduction

P4KE91-B is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used to protect electronic circuits from voltage spikes and transients. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of P4KE91-B.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients in electronic circuits
  • 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: 82V to 90V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE91-B diode typically has two leads with a standard DO-41 package. The anode and cathode terminals are clearly marked for easy identification.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the circuit
  • High Surge Capability: Able to withstand high surge currents without degradation

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Clamping voltage may not be suitable for all applications
  • Requires careful consideration of placement within the circuit

Working Principles

P4KE91-B operates by diverting excess voltage away from sensitive components when a transient event occurs. It achieves this through rapid conduction, effectively limiting the voltage across the protected circuit.

Detailed Application Field Plans

P4KE91-B finds extensive use in various electronic systems, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • P4KE6.8-B: Lower voltage rating alternative
  • P4KE120-B: Higher voltage rating alternative
  • 1.5KE91A: Alternative TVS diode with different package and characteristics

In conclusion, P4KE91-B is a crucial component in safeguarding electronic circuits from voltage transients, offering fast response times and high surge capabilities. Its application spans across diverse industries, making it an essential part of modern electronic systems.

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技術ソリューションにおける P4KE91-B の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is P4KE91-B?

    • P4KE91-B is a type of transient voltage suppressor diode, commonly used to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum voltage rating of P4KE91-B?

    • The maximum voltage rating of P4KE91-B is 77.8V.

  3. What is the peak pulse power dissipation of P4KE91-B?

    • The peak pulse power dissipation of P4KE91-B is typically 400W.

  4. How does P4KE91-B protect electronic circuits?

    • P4KE91-B clamps the voltage across the circuit it is protecting by diverting excess current away from sensitive components, thus preventing damage from voltage spikes.

  5. In what applications is P4KE91-B commonly used?

    • P4KE91-B is commonly used in power supplies, telecommunications equipment, automotive electronics, and other systems where protection against voltage transients is necessary.

  6. What are the key features of P4KE91-B?

    • Some key features of P4KE91-B include its fast response time, low clamping voltage, and high surge capability.

  7. What is the operating temperature range of P4KE91-B?

    • The operating temperature range of P4KE91-B is typically -55°C to 175°C.

  8. Can P4KE91-B be used for overvoltage protection in DC power lines?

    • Yes, P4KE91-B can be used for overvoltage protection in DC power lines, providing effective protection against voltage surges.

  9. Is P4KE91-B RoHS compliant?

    • Yes, P4KE91-B is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing.

  10. What are some best practices for integrating P4KE91-B into a technical solution?

    • Best practices for integrating P4KE91-B include proper PCB layout to minimize inductance, ensuring adequate thermal management, and verifying compatibility with the specific application's voltage and current requirements.