Vishay Semiconductor Diodes Division
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1.5KE43A-E3/73
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1.5KE43A-E3/73

Product Identification

The 1.5KE43A-E3/73 belongs to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are used to protect sensitive electronics from voltage spikes and transients. The 1.5KE43A-E3/73 is designed to clamp transient overvoltage, making it suitable for a wide range of applications.

Basic Information Overview

  • Category: TVS Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: High surge capability, fast response time
  • Package: DO-201AD
  • Essence: Transient voltage suppression
  • Packaging/Quantity: Tape & Reel, 500 units per reel

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43V
  • Operating Voltage: 36.8V
  • Reverse Standoff Voltage: 36.8V
  • Clamping Voltage: 58.1V
  • Maximum Surge Current: 50A

Detailed Pin Configuration

The 1.5KE43A-E3/73 TVS diode has a standard DO-201AD package with two leads. The anode is connected to one lead, while the cathode is connected to the other lead.

Functional Features

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

Advantages and Disadvantages

Advantages: - Effective protection against voltage spikes - Fast response time - RoHS compliant

Disadvantages: - Limited to specific voltage ratings - Requires careful consideration of reverse standoff voltage

Working Principles

When a transient voltage spike occurs, the 1.5KE43A-E3/73 TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action prevents damage to sensitive components by limiting the voltage across them.

Detailed Application Field Plans

The 1.5KE43A-E3/73 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • 1.5KE6.8A-E3/73
  • 1.5KE10A-E3/73
  • 1.5KE18A-E3/73
  • 1.5KE30A-E3/73

In conclusion, the 1.5KE43A-E3/73 TVS diode offers effective transient voltage suppression for a wide range of applications, providing essential protection against voltage spikes and transients.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5KE43A-E3/73 v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1.5KE43A-E3/73 in technical solutions:

  1. What is the maximum peak pulse power dissipation of 1.5KE43A-E3/73?

    • The maximum peak pulse power dissipation is 1500W for a 10/1000μs waveform.

  2. What is the breakdown voltage of 1.5KE43A-E3/73?

    • The breakdown voltage is typically 43V.

  3. What is the maximum clamping voltage of 1.5KE43A-E3/73?

    • The maximum clamping voltage is 77.4V at 58.9A.

  4. What is the operating temperature range for 1.5KE43A-E3/73?

    • The operating temperature range is -55°C to +175°C.

  5. What is the peak pulse current capability of 1.5KE43A-E3/73?

    • The peak pulse current capability is 165.7A for an 8/20μs waveform.

  6. What are the typical applications for 1.5KE43A-E3/73?

    • Typical applications include transient voltage suppression in electronic equipment, automotive systems, and industrial controls.

  7. What is the package type of 1.5KE43A-E3/73?

    • It is available in a DO-201AD (DO-27) package.

  8. What are the key features of 1.5KE43A-E3/73?

    • Key features include low incremental surge resistance, fast response time, and high reliability.

  9. What are the recommended mounting techniques for 1.5KE43A-E3/73?

    • It is recommended to use thermal transfer compound and a torque of 5 in-lbs on the mounting surface.

  10. Is 1.5KE43A-E3/73 compliant with RoHS requirements?

    • Yes, it is compliant with RoHS requirements.

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