Taiwan Semiconductor Corporation
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P4KE27AHR1G
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P4KE27AHR1G Encyclopedia Entry

Product Overview

The P4KE27AHR1G belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The P4KE27AHR1G is designed to provide reliable overvoltage protection in various electronic circuits. Its characteristics include high surge capability, fast response time, and low clamping voltage. The diode is typically packaged in a DO-41 package and is available in quantities suitable for both individual and industrial applications.

Specifications

  • Part Number: P4KE27AHR1G
  • Category: Transient Voltage Suppressor Diode
  • Peak Power Dissipation: 400W
  • Breakdown Voltage: 24.4V to 27V
  • Package Type: DO-41
  • Quantity per Package: 100 pieces

Detailed Pin Configuration

The P4KE27AHR1G diode has a standard axial lead configuration with two leads. The anode lead is typically longer than the cathode lead, allowing for easy identification and installation on a circuit board.

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage spikes and transients.
  • Fast Response Time: Reacts quickly to overvoltage events, minimizing potential damage to downstream components.
  • High Surge Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective overvoltage protection for sensitive electronic components.
  • Fast response time ensures minimal impact on the protected circuit.
  • High surge capability provides robust protection in demanding environments.

Disadvantages

  • Clamping voltage may be higher compared to some alternative models.
  • Limited breakdown voltage range compared to other transient voltage suppressor diodes.

Working Principles

The P4KE27AHR1G operates by diverting excess voltage away from the protected circuit when an overvoltage event occurs. This is achieved through the rapid conduction of the diode, which effectively limits the voltage across the circuit to a safe level.

Detailed Application Field Plans

The P4KE27AHR1G is commonly used in various electronic systems where protection against voltage transients is critical. Some specific application fields include: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the P4KE27AHR1G include: - P4KE24AHR1G: Similar specifications with a slightly lower breakdown voltage. - P4KE30AHR1G: Higher breakdown voltage variant for applications requiring greater protection levels. - P4KE27CA: Comparable diode with a different package type (DO-15) for specific mounting requirements.

In conclusion, the P4KE27AHR1G transient voltage suppressor diode offers effective overvoltage protection with its fast response time and high surge capability. While it has certain limitations, its application versatility and availability of alternative models make it a valuable component in various electronic systems.

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  1. What is P4KE27AHR1G?

    • P4KE27AHR1G is a type of transient voltage suppressor diode, commonly used to protect electronic circuits from voltage spikes and transients.

  2. What are the key features of P4KE27AHR1G?

    • P4KE27AHR1G features a peak power dissipation of 400W, low clamping voltage, and fast response time, making it suitable for surge protection in various applications.

  3. In what technical solutions can P4KE27AHR1G be used?

    • P4KE27AHR1G can be used in power supplies, automotive electronics, industrial equipment, telecommunication systems, and other applications requiring transient voltage suppression.

  4. How does P4KE27AHR1G provide protection in electronic circuits?

    • P4KE27AHR1G clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage due to voltage spikes.

  5. What is the operating temperature range of P4KE27AHR1G?

    • P4KE27AHR1G typically operates within a temperature range of -55°C to 175°C, allowing for reliable performance in various environmental conditions.

  6. Are there any specific mounting or handling considerations for P4KE27AHR1G?

    • P4KE27AHR1G should be mounted on a heat sink or metal pad to dissipate heat effectively, and proper ESD precautions should be followed during handling to prevent damage.

  7. Can P4KE27AHR1G be used for overvoltage protection in automotive applications?

    • Yes, P4KE27AHR1G is suitable for overvoltage protection in automotive electronics, providing robust transient voltage suppression for vehicle electrical systems.

  8. What is the typical response time of P4KE27AHR1G during a transient event?

    • P4KE27AHR1G has a fast response time, typically clamping the voltage within nanoseconds to protect downstream components from transient surges.

  9. Does P4KE27AHR1G require any additional circuitry for proper operation?

    • P4KE27AHR1G can be used standalone for transient voltage suppression, but appropriate circuit design and layout considerations should be taken into account for optimal performance.

  10. Where can I find detailed specifications and application notes for P4KE27AHR1G?

    • Detailed specifications, application notes, and usage guidelines for P4KE27AHR1G can be found in the manufacturer's datasheet and application documentation.