Vishay Semiconductor Diodes Division
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1.5SMC43AHE3/9AT
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1.5SMC43AHE3/9AT

Product Overview

Category

The 1.5SMC43AHE3/9AT belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, providing a high level of protection against voltage transients.

Characteristics

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

Package

The 1.5SMC43AHE3/9AT is available in a DO-214AB (SMC) package.

Packaging/Quantity

It is typically supplied in tape and reel packaging with quantities varying based on manufacturer specifications.

Specifications

  • Standoff Voltage: 36.8V
  • Breakdown Voltage: 40.9V
  • Maximum Clamping Voltage: 58.9V
  • Peak Pulse Current: 66.7A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The 1.5SMC43AHE3/9AT has two pins, anode, and cathode, which are clearly marked on the device.

Functional Features

  • Provides protection against transient voltage events
  • Rapid response to overvoltage conditions
  • Low leakage current

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • RoHS compliant

Disadvantages

  • May require additional circuitry for comprehensive protection in some applications
  • Sensitive to reverse polarity connection

Working Principles

When a transient voltage spike occurs, the 1.5SMC43AHE3/9AT activates, diverting the excess energy away from the protected circuit, thus preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5SMC43AHE3/9AT is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the 1.5SMC43AHE3/9AT include: - P6SMB36CA - SMBJ36CA - 1.5KE39CA

In conclusion, the 1.5SMC43AHE3/9AT is a reliable TVS diode that offers robust surge protection for various electronic applications, making it an essential component in safeguarding sensitive circuits from transient voltage events.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1.5SMC43AHE3/9AT en soluciones técnicas

  1. What is 1.5SMC43AHE3/9AT?

    • 1.5SMC43AHE3/9AT is a TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage spikes and surges.

  2. What is the maximum peak pulse current of 1.5SMC43AHE3/9AT?

    • The maximum peak pulse current is 100A.

  3. What is the breakdown voltage of 1.5SMC43AHE3/9AT?

    • The breakdown voltage is 48.1V.

  4. What are the typical applications for 1.5SMC43AHE3/9AT?

    • It is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of 1.5SMC43AHE3/9AT?

    • The operating temperature range is -55°C to +150°C.

  6. How does 1.5SMC43AHE3/9AT provide overvoltage protection?

    • It clamps the voltage to a safe level by diverting excess current away from the protected circuit.

  7. Is 1.5SMC43AHE3/9AT suitable for high-speed data lines?

    • Yes, it is suitable for protecting high-speed data lines such as USB, Ethernet, and HDMI.

  8. Can 1.5SMC43AHE3/9AT be used in outdoor applications?

    • Yes, it is suitable for outdoor applications due to its robust construction and wide operating temperature range.

  9. What is the response time of 1.5SMC43AHE3/9AT?

    • It has a very fast response time, typically less than 1 nanosecond.

  10. Does 1.5SMC43AHE3/9AT meet any industry standards?

    • Yes, it meets the requirements of AEC-Q101 for automotive applications and is also compliant with RoHS.