Taiwan Semiconductor Corporation
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P4KE12A R0G
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P4KE12A R0G

Introduction

The P4KE12A R0G is a diode belonging to the category of transient voltage suppressors (TVS). This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the P4KE12A R0G.

Basic Information Overview

  • Category: Transient Voltage Suppressors (TVS)
  • Use: The P4KE12A R0G is used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
  • Characteristics: It exhibits high surge capability, low clamping voltage, and fast response time.
  • Package: Axial-lead package
  • Essence: The essence of the P4KE12A R0G lies in its ability to divert excessive current away from sensitive components during voltage transients.
  • Packaging/Quantity: Typically available in reels or bulk packaging with varying quantities.

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 10.5V to 11.6V
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE12A R0G features an axial-lead package with two leads. The anode lead is typically longer than the cathode lead for easy identification and installation.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
  • Fast Response Time: Rapidly responds to voltage transients, minimizing the risk of damage to sensitive electronics.
  • High Surge Capability: Can withstand high surge currents without degradation.

Advantages and Disadvantages

  • Advantages:
    • Effective protection against voltage transients
    • Fast response time
    • High surge capability
  • Disadvantages:
    • Forward voltage drop may cause power dissipation
    • Requires careful consideration of placement and routing for optimal performance

Working Principles

The P4KE12A R0G operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode enters into a low impedance state, diverting excess current away from the protected circuitry. Once the transient event subsides, the diode returns to its high impedance state.

Detailed Application Field Plans

The P4KE12A R0G finds extensive use in various applications, including: - Telecommunications: Protecting communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding sensitive automotive electronics from voltage transients - Industrial Control Systems: Shielding control systems from inductive load switching transients - Consumer Electronics: Protecting consumer devices from electrostatic discharge events

Detailed and Complete Alternative Models

  • P4KE6.8A R0G: Breakdown Voltage: 6.06V to 6.75V
  • P4KE15A R0G: Breakdown Voltage: 13.3V to 14.7V
  • P4KE18A R0G: Breakdown Voltage: 16.2V to 17.8V
  • P4KE24A R0G: Breakdown Voltage: 21.6V to 23.8V

In conclusion, the P4KE12A R0G is a vital component in safeguarding electronic circuits from voltage transients, offering fast response times and high surge capabilities. Its application spans across diverse industries, and it has several alternative models catering to different breakdown voltage requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق P4KE12A R0G في الحلول التقنية

  1. What is P4KE12A R0G?

    • P4KE12A R0G is a type of TVS (transient voltage suppressor) diode designed to protect electronic circuits from voltage spikes and transients.

  2. What are the key specifications of P4KE12A R0G?

    • The P4KE12A R0G has a peak power dissipation of 400W, a breakdown voltage of 12V, and is available in a DO-41 package.

  3. How does P4KE12A R0G protect electronic circuits?

    • When a voltage spike occurs, the P4KE12A R0G conducts and shunts the excess current away from the protected circuit, preventing damage.

  4. In what applications is P4KE12A R0G commonly used?

    • P4KE12A R0G is often used in power supplies, automotive electronics, industrial equipment, and telecommunications systems to safeguard against voltage transients.

  5. What is the operating temperature range of P4KE12A R0G?

    • The P4KE12A R0G typically operates within a temperature range of -55°C to 175°C.

  6. How should P4KE12A R0G be mounted in a circuit?

    • P4KE12A R0G can be mounted on a PCB using standard through-hole soldering techniques.

  7. Can P4KE12A R0G be used for surge protection in outdoor applications?

    • Yes, P4KE12A R0G is suitable for outdoor applications as it can withstand environmental conditions and provide surge protection.

  8. What are the potential failure modes of P4KE12A R0G?

    • Common failure modes include thermal runaway under excessive power dissipation and physical damage due to mechanical stress.

  9. Are there any recommended layout considerations when using P4KE12A R0G in a circuit?

    • It is advisable to keep the traces short between the P4KE12A R0G and the protected components to minimize inductance and maximize its effectiveness.

  10. Where can I find detailed application notes for integrating P4KE12A R0G into my technical solution?

    • Detailed application notes and guidelines for using P4KE12A R0G can be found in the product datasheet provided by the manufacturer or on their official website.