Vishay Semiconductor Diodes Division
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1.5KE39HE3/54
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1.5KE39HE3/54

Product and Category

The 1.5KE39HE3/54 belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are used for surge protection in electronic circuits.

Basic Information Overview

  • Use: The 1.5KE39HE3/54 is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
  • Characteristics: It has a high surge capability, low clamping voltage, and fast response time.
  • Package: The diode is available in a DO-201 package.
  • Essence: Its essence lies in providing robust transient voltage protection for electronic circuits.
  • Packaging/Quantity: Typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43.6V
  • Clamping Voltage: 58.1V
  • Maximum Reverse Leakage Current: 1µA
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KE39HE3/54 typically has two pins, anode, and cathode, following the standard pin configuration for DO-201 packaged diodes.

Functional Features

  • Transient Voltage Suppression: Protects against voltage transients by diverting excess current away from sensitive components.
  • Fast Response Time: Quickly responds to transient events, minimizing the risk of damage to downstream circuitry.

Advantages and Disadvantages

  • Advantages:
    • High surge capability
    • Low clamping voltage
    • Fast response time
  • Disadvantages:
    • May require additional circuitry for comprehensive surge protection in complex systems

Working Principles

When a transient voltage spike occurs, the 1.5KE39HE3/54 conducts current, diverting the excess energy away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The 1.5KE39HE3/54 is commonly used in: - Power supplies - Communication systems - Industrial equipment - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE33HE3/54: Lower breakdown voltage variant
  • 1.5KE47HE3/54: Higher breakdown voltage variant
  • P6KE39CA: Axial leaded alternative with similar specifications

This information provides a comprehensive understanding of the 1.5KE39HE3/54 TVS diode, its applications, and alternatives within the market.

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技術ソリューションにおける 1.5KE39HE3/54 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 1.5KE39HE3/54 and what is its application?

    • The 1.5KE39HE3/54 is a 1500W Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage spikes and transients. It is commonly used in surge protection applications.

  2. What are the key features of the 1.5KE39HE3/54?

    • The 1.5KE39HE3/54 features a high surge capability, low clamping voltage, and fast response time, making it ideal for protecting electronic circuits from transient events.

  3. In what kind of technical solutions can the 1.5KE39HE3/54 be used?

    • The 1.5KE39HE3/54 can be used in a wide range of technical solutions including power supplies, telecommunications equipment, industrial control systems, and automotive electronics to provide robust transient voltage protection.

  4. How does the 1.5KE39HE3/54 provide protection against voltage spikes?

    • The 1.5KE39HE3/54 operates by diverting excessive current away from sensitive components when a voltage spike occurs, thereby limiting the voltage across the protected circuit.

  5. What is the maximum clamping voltage of the 1.5KE39HE3/54?

    • The 1.5KE39HE3/54 has a low maximum clamping voltage, typically around 64.7V at 50A, ensuring that the protected circuit is not subjected to damaging voltage levels.

  6. Can the 1.5KE39HE3/54 be used in high-power applications?

    • Yes, the 1.5KE39HE3/54 is designed for high-power applications, with a peak pulse power dissipation of 1500W, making it suitable for protecting circuits with high energy transients.

  7. What are the environmental considerations for using the 1.5KE39HE3/54?

    • The 1.5KE39HE3/54 is designed to operate within a wide temperature range and is compliant with RoHS requirements, making it suitable for various environmental conditions.

  8. Are there any specific mounting or handling considerations for the 1.5KE39HE3/54?

    • Proper heat sinking and PCB layout are important for optimal performance of the 1.5KE39HE3/54, and it should be handled according to ESD precautions to prevent damage.

  9. What are the industry standards or certifications associated with the 1.5KE39HE3/54?

    • The 1.5KE39HE3/54 may comply with industry standards such as AEC-Q101 for automotive applications and may have certifications like UL recognition for safety.

  10. Where can I find detailed technical specifications and application notes for the 1.5KE39HE3/54?

    • Detailed technical specifications, application notes, and usage guidelines for the 1.5KE39HE3/54 can be found in the product datasheet provided by the manufacturer or distributor.