Vishay Semiconductor Diodes Division
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1.5KE27HE3/54
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1.5KE27HE3/54

Product Overview

The 1.5KE27HE3/54 belongs to the category of TVS (Transient Voltage Suppressor) diodes and is designed to protect sensitive electronics from voltage transients induced by lightning and other transient voltage events. These diodes are widely used in various electronic devices and systems to safeguard against overvoltage conditions. The 1.5KE27HE3/54 offers high reliability, low leakage, and fast response time, making it an essential component in many electronic applications.

Basic Information - Category: TVS Diodes - Use: Protection against voltage transients - Characteristics: High reliability, low leakage, fast response time - Package: DO-201AE - Essence: Transient voltage suppression - Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 24.3V
  • Voltage - Breakdown (Min): 27V
  • Voltage - Clamping (Max) @ Ipp: 43.6V
  • Current - Peak Pulse (10/1000µs): 34.4A
  • Power - Peak Pulse: 1500W
  • Type: Zener

Detailed Pin Configuration

The 1.5KE27HE3/54 TVS diode has a standard DO-201AE package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time
  • Low clamping voltage
  • High surge current capability
  • RoHS compliant

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time ensures minimal damage to protected circuits - RoHS compliant, ensuring environmental friendliness

Disadvantages: - Relatively large package size compared to some newer TVS diode designs - Limited to specific voltage and current ratings

Working Principles

When a transient voltage event occurs, the 1.5KE27HE3/54 TVS diode rapidly conducts, diverting the excess current away from the protected circuit. This action effectively clamps the voltage to a safe level, preventing damage to the downstream components.

Detailed Application Field Plans

The 1.5KE27HE3/54 is commonly used in the following applications: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE15HE3/54
  • 1.5KE33HE3/54
  • 1.5KE51HE3/54
  • 1.5KE75HE3/54

This comprehensive range of alternative models provides options for different voltage and power requirements, allowing for flexibility in design and application.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5KE27HE3/54 v technických řešeních

  1. What is the maximum power dissipation of 1.5KE27HE3/54?

    • The maximum power dissipation of 1.5KE27HE3/54 is 1500W for a 10/1000μs waveform.

  2. What is the peak pulse current capability of 1.5KE27HE3/54?

    • The peak pulse current capability of 1.5KE27HE3/54 is 68.2A for an 8/20μs waveform.

  3. What is the breakdown voltage of 1.5KE27HE3/54?

    • The breakdown voltage of 1.5KE27HE3/54 is 24.3V minimum.

  4. What are the typical applications for 1.5KE27HE3/54?

    • Typical applications for 1.5KE27HE3/54 include transient voltage suppression in automotive electronics, industrial equipment, and telecommunications systems.

  5. What is the operating temperature range of 1.5KE27HE3/54?

    • The operating temperature range of 1.5KE27HE3/54 is -55°C to +175°C.

  6. Does 1.5KE27HE3/54 meet RoHS compliance?

    • Yes, 1.5KE27HE3/54 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  7. What is the package type of 1.5KE27HE3/54?

    • 1.5KE27HE3/54 is available in a DO-201AD (DO-27) package.

  8. Is 1.5KE27HE3/54 suitable for high-reliability applications?

    • Yes, 1.5KE27HE3/54 is suitable for high-reliability applications due to its robust construction and performance characteristics.

  9. What are the key features of 1.5KE27HE3/54?

    • Key features of 1.5KE27HE3/54 include low clamping voltage, fast response time, and high surge capability.

  10. Are there any recommended layout considerations for implementing 1.5KE27HE3/54 in a circuit?

    • It is recommended to minimize lead lengths and provide adequate thermal relief for effective heat dissipation when implementing 1.5KE27HE3/54 in a circuit.