Vishay Semiconductor Diodes Division
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1.5KA43HE3/51
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1.5KA43HE3/51 Product Overview

Introduction

The 1.5KA43HE3/51 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: Electronic Components
  • 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 or bulk packaging

Specifications

  • Peak Pulse Power: 1500W
  • Standoff Voltage: 43V
  • Breakdown Voltage: 47.4V to 52.8V
  • Maximum Clamping Voltage: 69.4V at 23A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KA43HE3/51 features a standard DO-201AD package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Provides protection against voltage transients by diverting excess current away from sensitive components.
  • Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to connected devices.

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Sensitive to reverse polarity connection
  • Limited to specific voltage ranges

Working Principles

When a transient voltage event occurs, the 1.5KA43HE3/51 conducts excess current to ground, limiting the voltage across the protected circuit. This action helps prevent damage to sensitive electronics.

Detailed Application Field Plans

The 1.5KA43HE3/51 is commonly used in various applications, including: - Power supplies - Communication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the 1.5KA43HE3/51 include: - 1.5KE43CA - P6SMB43CA - SMAJ43A

In conclusion, the 1.5KA43HE3/51 is a crucial component for protecting electronic circuits from transient voltage events, offering high surge capability, low clamping voltage, and fast response time. Its application spans across diverse industries, making it an essential part of electronic system design and reliability.

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기술 솔루션에 1.5KA43HE3/51 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is 1.5KA43HE3/51 used for in technical solutions?

    • 1.5KA43HE3/51 is a high-efficiency, low-capacitance TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients and surges.

  2. What are the key features of 1.5KA43HE3/51?

    • The key features include a low clamping voltage, fast response time, and high surge capability, making it suitable for protecting electronic circuits from transient events.

  3. How does 1.5KA43HE3/51 provide protection in technical solutions?

    • 1.5KA43HE3/51 diverts excessive current away from sensitive components during transient events, preventing damage to the circuitry.

  4. In what applications can 1.5KA43HE3/51 be used?

    • It is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and power supplies.

  5. What is the maximum voltage rating of 1.5KA43HE3/51?

    • The maximum voltage rating is typically around 43V, making it suitable for protecting low-voltage electronic systems.

  6. How does 1.5KA43HE3/51 compare to other TVS diodes in terms of performance?

    • It offers a balance of low capacitance and high surge capability, making it well-suited for applications requiring fast response times and minimal signal distortion.

  7. Can 1.5KA43HE3/51 be used in high-frequency applications?

    • Yes, its low capacitance makes it suitable for high-frequency applications without significantly affecting signal integrity.

  8. What are the temperature specifications for 1.5KA43HE3/51?

    • It typically has a wide operating temperature range, allowing it to function reliably in various environmental conditions.

  9. Are there any specific layout considerations when using 1.5KA43HE3/51 in a circuit?

    • Proper PCB layout and placement are important to ensure optimal performance and protection. Consult the datasheet for recommended layout guidelines.

  10. Where can I find additional resources or support for integrating 1.5KA43HE3/51 into my technical solution?

    • You can refer to the manufacturer's datasheet, application notes, or contact their technical support team for further assistance.