Vishay Semiconductor Diodes Division
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1.5KE27A-E3/73
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1.5KE27A-E3/73 Product Overview

Introduction

The 1.5KE27A-E3/73 is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Basic Information Overview

  • Category: TVS Diode
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage
  • Package: DO-201AD (DO-27)
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 1500 units per reel

Specifications

  • Voltage - Reverse Standoff (Typ): 24.4V
  • Voltage - Breakdown (Min): 27.1V
  • Voltage - Clamping (Max) @ Ipp: 43.6V
  • Current - Peak Pulse (10/1000µs): 38.6A
  • Power - Peak Pulse: 1500W
  • Operating Temperature: -55°C to 175°C

Detailed Pin Configuration

The 1.5KE27A-E3/73 TVS diode has a standard DO-201AD package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time
  • Low incremental surge resistance
  • High reliability
  • RoHS compliant

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Sensitive to reverse bias conditions
  • Limited power dissipation capability

Working Principles

The 1.5KE27A-E3/73 operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuitry and limiting the voltage to a safe level.

Detailed Application Field Plans

The 1.5KE27A-E3/73 is widely used in various applications requiring protection against voltage transients, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE6.8A-E3/73
  • 1.5KE15A-E3/73
  • 1.5KE33A-E3/73
  • 1.5KE51A-E3/73
  • 1.5KE75A-E3/73

In conclusion, the 1.5KE27A-E3/73 TVS diode offers robust transient voltage protection with its high surge capability and low clamping voltage, making it an essential component in safeguarding sensitive electronics from damaging voltage transients.

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技術ソリューションにおける 1.5KE27A-E3/73 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the voltage rating of 1.5KE27A-E3/73?

    • The voltage rating of 1.5KE27A-E3/73 is 27V.

  2. What is the peak pulse power of 1.5KE27A-E3/73?

    • The peak pulse power of 1.5KE27A-E3/73 is 1500W.

  3. What are the typical applications for 1.5KE27A-E3/73?

    • Typical applications for 1.5KE27A-E3/73 include transient voltage suppression in electronic equipment, such as computers, telecommunication equipment, and industrial controls.

  4. What is the maximum clamping voltage of 1.5KE27A-E3/73?

    • The maximum clamping voltage of 1.5KE27A-E3/73 is 43.6V at 100A.

  5. What is the operating temperature range of 1.5KE27A-E3/73?

    • The operating temperature range of 1.5KE27A-E3/73 is -55°C to +175°C.

  6. Is 1.5KE27A-E3/73 RoHS compliant?

    • Yes, 1.5KE27A-E3/73 is RoHS compliant.

  7. What is the package type of 1.5KE27A-E3/73?

    • 1.5KE27A-E3/73 comes in a DO-201AD (DO-27) package.

  8. Does 1.5KE27A-E3/73 have lead-free terminals?

    • Yes, 1.5KE27A-E3/73 has lead-free terminals.

  9. What is the reverse stand-off voltage of 1.5KE27A-E3/73?

    • The reverse stand-off voltage of 1.5KE27A-E3/73 is 24.3V.

  10. What are the key differences between 1.5KE27A-E3/73 and similar diodes in the 1.5KE series?

    • The key differences between 1.5KE27A-E3/73 and other diodes in the 1.5KE series lie in their specific voltage ratings, peak pulse powers, and clamping voltages. It's important to select the appropriate diode based on the specific requirements of the application.