Taiwan Semiconductor Corporation
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P4KE91A R1G
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P4KE91A R1G

Introduction

The P4KE91A R1G is a semiconductor product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the P4KE91A R1G.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients in electronic circuits
  • Characteristics: Fast response time, low clamping voltage, high surge capability
  • Package: DO-41 (DO-204AL)
  • Essence: Suppressing transient overvoltage spikes
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

  • Peak Pulse Power: 400W
  • Breakdown Voltage: 82V to 91V
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE91A R1G has a standard DO-41 package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excessive current away from sensitive components.
  • Fast Response Time: Reacts quickly to voltage spikes, minimizing the risk of damage to connected devices.
  • Low Clamping Voltage: Limits the voltage across the protected circuit during transient events, reducing stress on components.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Low clamping voltage

Disadvantages

  • Limited surge capability compared to higher power devices
  • Requires careful consideration of placement in circuit design to ensure optimal protection

Working Principles

The P4KE91A R1G operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode enters a high-conductance state, shunting excess current away from the protected circuit. This action prevents the voltage from reaching damaging levels and safeguards sensitive components.

Detailed Application Field Plans

The P4KE91A R1G is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P4KE82A R1G: Breakdown Voltage: 75V to 82V, Peak Pulse Power: 400W
  • P4KE100A R1G: Breakdown Voltage: 90V to 100V, Peak Pulse Power: 400W
  • P4KE120A R1G: Breakdown Voltage: 108V to 120V, Peak Pulse Power: 400W
  • P4KE150A R1G: Breakdown Voltage: 135V to 150V, Peak Pulse Power: 400W

In conclusion, the P4KE91A R1G transient voltage suppressor diode offers effective protection against voltage transients in various electronic applications. Its fast response time, low clamping voltage, and compact package make it a valuable component for safeguarding sensitive circuits.

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10 pirs û bersivên hevpar ên têkildarî sepana P4KE91A R1G di çareseriyên teknîkî de navnîş bikin

  1. What is P4KE91A R1G?

    • P4KE91A R1G is a transient voltage suppressor diode, commonly used to protect electronic circuits from voltage spikes and transients.

  2. What are the key features of P4KE91A R1G?

    • P4KE91A R1G features a peak power dissipation of 400W, low clamping voltage, and fast response time.

  3. In what applications is P4KE91A R1G typically used?

    • P4KE91A R1G is commonly used in power supplies, automotive electronics, telecommunication equipment, and industrial control systems to protect sensitive components from voltage surges.

  4. How does P4KE91A R1G provide protection against voltage spikes?

    • P4KE91A R1G operates by diverting excessive current away from sensitive components when a voltage spike occurs, thereby preventing damage to the circuit.

  5. What is the maximum voltage rating of P4KE91A R1G?

    • The maximum voltage rating of P4KE91A R1G is 77.8V.

  6. Can P4KE91A R1G be used for overvoltage protection in automotive applications?

    • Yes, P4KE91A R1G is suitable for overvoltage protection in automotive applications due to its high surge capability and reliability.

  7. What is the operating temperature range of P4KE91A R1G?

    • P4KE91A R1G has an operating temperature range of -55°C to +175°C, making it suitable for a wide range of environments.

  8. Does P4KE91A R1G require any external components for proper operation?

    • P4KE91A R1G can be used independently but may benefit from additional circuitry such as fuses and capacitors for enhanced protection and performance.

  9. Is P4KE91A R1G RoHS compliant?

    • Yes, P4KE91A R1G is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.

  10. Where can I find detailed specifications and application notes for P4KE91A R1G?

    • Detailed specifications and application notes for P4KE91A R1G can be found in the product datasheet provided by the manufacturer or distributor.