Vishay Semiconductor Diodes Division
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1.5KA43AHE3/51
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1.5KA43AHE3/51 Product Overview

Introduction

The 1.5KA43AHE3/51 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: TVS Diode
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: DO-201AD
  • Essence: Safeguarding electronic circuits from voltage spikes
  • Packaging/Quantity: Available in reels of 1500 units

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43V
  • Clamping Voltage: 58.1V at 1A
  • Operating Temperature: -55°C to 175°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The 1.5KA43AHE3/51 TVS diode features a standard DO-201AD package with two leads.

Functional Features

  • Transient Protection: Effectively clamps voltage transients to safe levels.
  • Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Robust protection against voltage transients
  • Fast response time
  • RoHS compliant

Disadvantages

  • Clamping voltage may be relatively high for some applications

Working Principles

When a transient voltage event occurs, the TVS 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 1.5KA43AHE3/51 is widely used in various electronic systems including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

  • 1.5KE43A: Similar performance in a different package
  • P6SMB43A: Surface mount alternative with comparable specifications

In conclusion, the 1.5KA43AHE3/51 TVS diode offers robust transient voltage protection with fast response times, making it an ideal choice for a wide range of electronic applications.

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技術ソリューションにおける 1.5KA43AHE3/51 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 voltage of 1.5KA43AHE3/51?

    • The maximum forward voltage of 1.5KA43AHE3/51 is typically 1.7V at 1A.

  2. What is the maximum reverse voltage of 1.5KA43AHE3/51?

    • The maximum reverse voltage of 1.5KA43AHE3/51 is 43V.

  3. What is the peak pulse current capability of 1.5KA43AHE3/51?

    • The peak pulse current capability of 1.5KA43AHE3/51 is 1500A.

  4. What is the breakdown voltage of 1.5KA43AHE3/51?

    • The breakdown voltage of 1.5KA43AHE3/51 is 47.8V.

  5. What are the typical applications for 1.5KA43AHE3/51?

    • Typical applications for 1.5KA43AHE3/51 include transient voltage suppression in electronic equipment, power supplies, and telecommunications systems.

  6. What is the operating temperature range of 1.5KA43AHE3/51?

    • The operating temperature range of 1.5KA43AHE3/51 is -55°C to +175°C.

  7. Does 1.5KA43AHE3/51 have a low leakage current?

    • Yes, 1.5KA43AHE3/51 has a low leakage current, making it suitable for high-speed line protection.

  8. Is 1.5KA43AHE3/51 RoHS compliant?

    • Yes, 1.5KA43AHE3/51 is RoHS compliant, meeting environmental standards.

  9. What package type does 1.5KA43AHE3/51 come in?

    • 1.5KA43AHE3/51 is available in a DO-201AD (DO-27) package.

  10. Can 1.5KA43AHE3/51 be used for surge protection in automotive electronics?

    • Yes, 1.5KA43AHE3/51 can be used for surge protection in automotive electronics due to its high surge capability and reliability.