Vishay Semiconductor Diodes Division
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P4KE47CAHE3/54
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P4KE47CAHE3/54

Introduction

The P4KE47CAHE3/54 is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients. This entry provides an overview of the product, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Transient Voltage Suppressor (TVS) Diode
  • Use: Protection against voltage transients in electronic circuits
  • Characteristics: Fast response time, high surge capability, low clamping voltage
  • Package: DO-41
  • Essence: Suppresses voltage transients to protect sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 47V
  • Operating Temperature Range: -55°C to 175°C
  • Forward Voltage Drop: 3.5V at 1A
  • Reverse Standoff Voltage: 40.2V

Detailed Pin Configuration

The P4KE47CAHE3/54 TVS diode has two pins, with the cathode marked by a band on the body of the diode.

Functional Features

  • Transient Voltage Suppression: Quickly clamps excessive voltage levels to protect downstream components
  • Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the protected circuit
  • High Surge Capability: Can withstand large transient currents without degradation

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Clamping voltage may be higher than some alternative models
  • Sensitive to reverse bias conditions

Working Principles

When a voltage transient occurs, the P4KE47CAHE3/54 TVS diode conducts current and clamps the voltage to a safe level, protecting the connected circuitry. It operates by shunting excess current away from sensitive components.

Detailed Application Field Plans

The P4KE47CAHE3/54 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P6KE47CA: Similar TVS diode with higher peak pulse power rating
  • 1.5KE47CA: Higher power TVS diode with similar breakdown voltage
  • SMF47A: Surface mount TVS diode with comparable characteristics

In conclusion, the P4KE47CAHE3/54 TVS diode is a crucial component for protecting electronic circuits from voltage transients, offering fast response times and high surge capability. Its application spans across various industries, making it an essential part of many electronic systems.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av P4KE47CAHE3/54 i tekniska lösningar

  1. What is P4KE47CAHE3/54?

    • P4KE47CAHE3/54 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 for P4KE47CAHE3/54?

    • The maximum voltage rating for P4KE47CAHE3/54 is 47V.

  3. What is the typical application of P4KE47CAHE3/54 in technical solutions?

    • P4KE47CAHE3/54 is often used in surge protection circuits for power supplies, communication equipment, and other sensitive electronic devices to prevent damage from voltage surges.

  4. How does P4KE47CAHE3/54 provide protection against voltage spikes?

    • P4KE47CAHE3/54 operates by clamping the voltage to a safe level when it exceeds the specified threshold, diverting excess current away from the protected circuit.

  5. What are the key characteristics of P4KE47CAHE3/54 that make it suitable for technical solutions?

    • P4KE47CAHE3/54 offers fast response time, low clamping voltage, and high surge current capability, making it an effective solution for transient voltage suppression.

  6. Can P4KE47CAHE3/54 be used in automotive applications?

    • Yes, P4KE47CAHE3/54 is suitable for automotive applications where protection against voltage transients is essential, such as in vehicle electronics and control systems.

  7. Are there any specific mounting or handling considerations for P4KE47CAHE3/54?

    • P4KE47CAHE3/54 should be mounted securely to minimize lead stress, and proper ESD precautions should be followed during handling to avoid damage to the device.

  8. What is the temperature range for P4KE47CAHE3/54?

    • P4KE47CAHE3/54 typically operates within a temperature range of -55°C to 175°C, making it suitable for a wide range of environmental conditions.

  9. Is P4KE47CAHE3/54 RoHS compliant?

    • Yes, P4KE47CAHE3/54 is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring its environmental safety.

  10. Where can I find detailed specifications and application notes for P4KE47CAHE3/54?

    • Detailed specifications and application notes for P4KE47CAHE3/54 can be found in the manufacturer's datasheet and technical documentation, which are available on their official website or through authorized distributors.