Vishay Semiconductor Diodes Division
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
1.5KA43HE3/73
詳細を表示 DataSheets

1.5KA43HE3/73 Product Overview

Introduction

The 1.5KA43HE3/73 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: TVS Diode
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: SMC (DO-214AB)
  • Essence: Safeguarding electronic circuits from voltage spikes
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

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

Detailed Pin Configuration

The 1.5KA43HE3/73 TVS diode has a standard SMC package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Provides robust protection against voltage transients.
  • Fast Response Time: Reacts quickly to transient events, minimizing potential damage to downstream components.
  • High Surge Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • High surge capability

Disadvantages

  • Clamping voltage may be higher than some alternative models
  • SMC package may not be suitable for all applications

Working Principles

The 1.5KA43HE3/73 operates by diverting excessive transient current away from sensitive electronic components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

This TVS diode is commonly used in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to consider include: - 1.5KE43CA - P6SMB43CA - SMAJ43A

In summary, the 1.5KA43HE3/73 TVS diode offers robust protection against voltage transients, with high surge capability and fast response time. While it has certain advantages, such as effective transient voltage suppression, potential users should also consider its limitations, such as the clamping voltage and package type, when selecting a suitable TVS diode for their application.

技術ソリューションにおける 1.5KA43HE3/73 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 1.5KA43HE3/73?

    • 1.5KA43HE3/73 is a high-power transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and surges.

  2. What is the maximum voltage it can handle?

    • The maximum stand-off voltage for 1.5KA43HE3/73 is 43V.

  3. What is its peak pulse current rating?

    • It has a peak pulse current rating of 1500A, making it suitable for handling large transient currents.

  4. What are the typical applications for 1.5KA43HE3/73?

    • Typical applications include surge protection in telecommunications equipment, industrial control systems, and automotive electronics.

  5. How does 1.5KA43HE3/73 provide protection?

    • It clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  6. What is the response time of 1.5KA43HE3/73?

    • Its response time is very fast, typically in the nanosecond range, providing quick protection against voltage transients.

  7. Is 1.5KA43HE3/73 suitable for high-frequency applications?

    • Yes, it is suitable for high-frequency applications due to its low capacitance and fast response time.

  8. Can multiple 1.5KA43HE3/73 devices be used in parallel for higher power handling?

    • Yes, multiple devices can be used in parallel to increase the power handling capability.

  9. What is the operating temperature range of 1.5KA43HE3/73?

    • It can operate within a wide temperature range, typically from -55°C to 175°C, making it suitable for various environments.

  10. Are there any specific layout considerations when using 1.5KA43HE3/73 in a circuit?

    • Proper PCB layout and placement are important to ensure optimal performance, including minimizing trace lengths and providing adequate thermal management.