Littelfuse Inc.
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P4KE47-B
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P4KE47-B

Product Overview

Category

P4KE47-B belongs to the category of transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transients.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge capability

Package

P4KE47-B is typically available in a DO-41 package.

Essence

The essence of P4KE47-B lies in its ability to divert excessive current away from sensitive components, thereby protecting them from damage.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 47V
  • Maximum Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +175°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

P4KE47-B typically has two pins, anode, and cathode, which are identified by a line on the body of the diode.

Functional Features

  • Transient voltage suppression
  • Fast response to voltage spikes
  • Low leakage current

Advantages

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

Disadvantages

  • Limited power dissipation capability
  • May require additional circuitry for comprehensive protection

Working Principles

When a voltage transient occurs, the P4KE47-B diode conducts, diverting the excess current away from the protected components and limiting the voltage across them.

Detailed Application Field Plans

P4KE47-B is widely used in various applications such as: - Power supplies - Automotive electronics - Telecommunications equipment - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to P4KE47-B include: - P4KE6.8-B - P4KE10-B - P4KE18-B - P4KE30-B

In conclusion, P4KE47-B is a crucial component in safeguarding electronic circuits from voltage transients, finding extensive use across diverse industries due to its reliable performance and robust protection capabilities.

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기술 솔루션에 P4KE47-B 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure, here are 10 common questions and answers related to the application of P4KE47-B in technical solutions:

  1. What is P4KE47-B?

    • P4KE47-B is a type of transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum voltage rating for P4KE47-B?

    • The maximum voltage rating for P4KE47-B is 47 volts.

  3. What is the typical application of P4KE47-B?

    • P4KE47-B is commonly used in electronic circuits to protect sensitive components such as integrated circuits, transistors, and other semiconductor devices from voltage surges and spikes.

  4. How does P4KE47-B provide protection to electronic circuits?

    • P4KE47-B clamps the voltage across the circuit it is protecting by diverting excess current away from the sensitive components, thereby preventing damage due to voltage spikes.

  5. What is the peak pulse power handling capability of P4KE47-B?

    • P4KE47-B has a peak pulse power handling capability of several kilowatts, making it suitable for handling high-energy transients.

  6. Can P4KE47-B be used in automotive applications?

    • Yes, P4KE47-B is often used in automotive electronics to protect against voltage transients generated by the vehicle's electrical system.

  7. What is the response time of P4KE47-B to voltage transients?

    • P4KE47-B has a very fast response time, typically in the nanosecond range, which allows it to quickly clamp voltage spikes and protect the circuit.

  8. Is P4KE47-B suitable for use in high-speed data communication systems?

    • Yes, P4KE47-B is suitable for use in high-speed data communication systems to protect sensitive electronic components from voltage disturbances.

  9. What are the environmental considerations for using P4KE47-B?

    • P4KE47-B is typically designed to meet industry standards for environmental performance, including compliance with RoHS directives for lead-free manufacturing.

  10. Are there any specific layout or mounting considerations when using P4KE47-B in a circuit?

    • It is important to ensure proper PCB layout and mounting techniques to minimize parasitic inductance and maximize the effectiveness of P4KE47-B in protecting the circuit from voltage transients.