Vishay Semiconductor Diodes Division
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1.5KA27HE3/73
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1.5KA27HE3/73 Product Overview

Introduction

The 1.5KA27HE3/73 is a high-performance TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

Basic Information Overview

  • Category: Electronic Components
  • Use: Voltage Transient Suppression
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-201AD (DO-27)
  • Essence: Protection of electronic circuits from transient voltage events
  • Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 27V
  • Clamping Voltage: 45.7V at 10A
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA27HE3/73 has a standard DO-27 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 capability
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Wide operating temperature range
  • RoHS compliant

Disadvantages

  • Requires careful handling due to ESD sensitivity

Working Principles

When a transient voltage event occurs, the 1.5KA27HE3/73 diode rapidly conducts, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KA27HE3/73 is widely used in various applications including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE27CA
  • P6SMB27CA
  • SMAJ27A

In conclusion, the 1.5KA27HE3/73 is a reliable and efficient TVS diode that provides robust protection against transient voltage events, making it an essential component in safeguarding sensitive electronic circuits.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1.5KA27HE3/73 en soluciones técnicas

  1. What is the maximum forward voltage of 1.5KA27HE3/73?

    • The maximum forward voltage of 1.5KA27HE3/73 is typically 1.7V at 1A.

  2. What is the maximum reverse current of 1.5KA27HE3/73?

    • The maximum reverse current of 1.5KA27HE3/73 is typically 5µA at the rated voltage.

  3. What is the maximum surge current capability of 1.5KA27HE3/73?

    • The maximum surge current capability of 1.5KA27HE3/73 is 1500A.

  4. What is the operating temperature range for 1.5KA27HE3/73?

    • The operating temperature range for 1.5KA27HE3/73 is -55°C to +175°C.

  5. What are the typical applications for 1.5KA27HE3/73?

    • Typical applications for 1.5KA27HE3/73 include overvoltage protection in power supplies, AC/DC converters, and motor control circuits.

  6. What is the package type of 1.5KA27HE3/73?

    • 1.5KA27HE3/73 comes in a DO-201AD (DO-27) package.

  7. Is 1.5KA27HE3/73 RoHS compliant?

    • Yes, 1.5KA27HE3/73 is RoHS compliant.

  8. What is the breakdown voltage of 1.5KA27HE3/73?

    • The breakdown voltage of 1.5KA27HE3/73 is 27V.

  9. Does 1.5KA27HE3/73 have any certifications?

    • 1.5KA27HE3/73 is certified to meet various industry standards, including AEC-Q101 for automotive applications.

  10. Can 1.5KA27HE3/73 be used for ESD protection?

    • Yes, 1.5KA27HE3/73 can be used for ESD (electrostatic discharge) protection in sensitive electronic circuits.