Vishay Semiconductor Diodes Division
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1.5KA20AHE3/51
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1.5KA20AHE3/51 Product Overview

Introduction

The 1.5KA20AHE3/51 is a high-performance TVS (Transient Voltage Suppressor) diode designed to provide robust overvoltage protection for sensitive electronics in various applications.

Basic Information Overview

  • Category: Electronic Component
  • Use: Overvoltage Protection
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-201AD
  • Essence: Protecting electronic circuits from transient voltage spikes
  • Packaging/Quantity: Available in reels or bulk packaging

Specifications

  • Peak Pulse Power: 1500W
  • Standoff Voltage: 20V
  • Breakdown Voltage: 22.2V
  • Maximum Clamping Voltage: 32.4V
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA20AHE3/51 features a standard DO-201AD package with two leads. The anode is connected to the positive side of the circuit, while the cathode is connected to the ground.

Functional Features

  • Robust overvoltage protection
  • Fast response to transient voltage spikes
  • Low clamping voltage ensures minimal impact on protected circuits

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • Low clamping voltage
  • Wide operating temperature range

Disadvantages

  • Relatively higher cost compared to standard diodes
  • Requires careful consideration of placement in circuit design

Working Principles

The 1.5KA20AHE3/51 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when an overvoltage event occurs. This action prevents the voltage from reaching damaging levels.

Detailed Application Field Plans

The 1.5KA20AHE3/51 is widely used in various electronic systems, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE20A: Similar specifications and performance
  • P6SMB20A: Surface mount alternative with comparable characteristics
  • SMAJ20A: Sub-miniature alternative for space-constrained applications

In conclusion, the 1.5KA20AHE3/51 is a reliable and efficient TVS diode that offers superior overvoltage protection for a wide range of electronic applications.

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技術ソリューションにおける 1.5KA20AHE3/51 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 maximum forward current rating of 1.5KA20AHE3/51?

    • The maximum forward current rating of 1.5KA20AHE3/51 is 1.5A.

  2. What is the reverse voltage rating of 1.5KA20AHE3/51?

    • The reverse voltage rating of 1.5KA20AHE3/51 is 20V.

  3. What type of diode is 1.5KA20AHE3/51?

    • 1.5KA20AHE3/51 is a transient voltage suppressor (TVS) diode.

  4. What are the typical applications for 1.5KA20AHE3/51?

    • Typical applications for 1.5KA20AHE3/51 include overvoltage protection in electronic circuits, surge suppression, and transient voltage protection in various technical solutions.

  5. What is the peak pulse power dissipation of 1.5KA20AHE3/51?

    • The peak pulse power dissipation of 1.5KA20AHE3/51 is typically 1500W.

  6. What is the package type of 1.5KA20AHE3/51?

    • 1.5KA20AHE3/51 is available in a DO-201AD (DO-27) package.

  7. Is 1.5KA20AHE3/51 RoHS compliant?

    • Yes, 1.5KA20AHE3/51 is RoHS compliant.

  8. What is the operating temperature range of 1.5KA20AHE3/51?

    • The operating temperature range of 1.5KA20AHE3/51 is typically -55°C to +175°C.

  9. Does 1.5KA20AHE3/51 require a heat sink in high-power applications?

    • In high-power applications, it is recommended to use a heat sink with 1.5KA20AHE3/51 to ensure proper thermal management.

  10. Can 1.5KA20AHE3/51 be used for ESD protection?

    • Yes, 1.5KA20AHE3/51 can be used for electrostatic discharge (ESD) protection in various technical solutions.