Vishay Semiconductor Diodes Division
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P4KE27CAHE3/73
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P4KE27CAHE3/73 Encyclopedia Entry

Product Overview

The P4KE27CAHE3/73 belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect electronic circuits from voltage spikes and transients. The P4KE27CAHE3/73 is designed to provide robust protection for sensitive components in a variety of applications.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, high surge capability
  • Package: DO-41
  • Essence: Safeguarding electronic circuits from overvoltage events
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

  • Voltage - Reverse Standoff (Typ): 24.4V
  • Voltage - Breakdown (Min): 27.1V
  • Voltage - Clamping (Max) @ Ipp: 43.6V
  • Current - Peak Pulse (10/1000µs): 9.2A
  • Power - Peak Pulse: 400W
  • Type: Zener

Detailed Pin Configuration

The P4KE27CAHE3/73 follows the standard DO-41 package configuration, with two leads for connection.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection
  • Can introduce some capacitance to the circuit

Working Principles

The P4KE27CAHE3/73 operates based on the principle of zener breakdown. When a voltage spike occurs, the diode rapidly conducts, diverting excess current away from the sensitive components it is protecting. This action effectively limits the voltage across the circuit.

Detailed Application Field Plans

The P4KE27CAHE3/73 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P4KE6.8CAHE3/73: Lower voltage variant for less demanding applications
  • P4KE33CAHE3/73: Higher voltage variant for more stringent protection requirements
  • P4KE27AHE3/73: Similar specifications with alternative packaging options

In conclusion, the P4KE27CAHE3/73 transient voltage suppressor diode offers effective protection against voltage transients, making it an essential component in safeguarding sensitive electronic circuits across various industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de P4KE27CAHE3/73 en soluciones técnicas

  1. What is the maximum forward voltage of P4KE27CAHE3/73?

    • The maximum forward voltage of P4KE27CAHE3/73 is 34.4V at 100mA.

  2. What is the peak pulse power dissipation of P4KE27CAHE3/73?

    • The peak pulse power dissipation of P4KE27CAHE3/73 is 400W for a 10/1000μs waveform.

  3. What is the breakdown voltage of P4KE27CAHE3/73?

    • The breakdown voltage of P4KE27CAHE3/73 is 24.3V to 26.9V.

  4. What are the typical applications of P4KE27CAHE3/73?

    • P4KE27CAHE3/73 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of P4KE27CAHE3/73?

    • The operating temperature range of P4KE27CAHE3/73 is -55°C to +175°C.

  6. Does P4KE27CAHE3/73 have a low leakage current?

    • Yes, P4KE27CAHE3/73 has a low leakage current, typically less than 1μA at its working voltage.

  7. Is P4KE27CAHE3/73 RoHS compliant?

    • Yes, P4KE27CAHE3/73 is RoHS compliant, meeting the requirements for lead-free and environmentally friendly manufacturing.

  8. What is the package type of P4KE27CAHE3/73?

    • P4KE27CAHE3/73 comes in a DO-204AL (DO-41) package.

  9. Can P4KE27CAHE3/73 be used for ESD protection?

    • Yes, P4KE27CAHE3/73 can be used for ESD (electrostatic discharge) protection in various electronic circuits and systems.

  10. What are the key electrical characteristics of P4KE27CAHE3/73?

    • The key electrical characteristics of P4KE27CAHE3/73 include its clamping voltage, peak pulse current, and response time to transient events.