Vishay Semiconductor Diodes Division
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1.5KE39AHE3/51
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1.5KE39AHE3/51

Product and Category

The 1.5KE39AHE3/51 belongs to the category of TVS (Transient Voltage Suppressor) diodes, which are used for surge protection in electronic circuits.

Basic Information Overview

  • Use: The 1.5KE39AHE3/51 is designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
  • Characteristics: It offers high surge capability, fast response time, and low clamping voltage, making it suitable for a wide range of applications.
  • 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: It is typically available in reels or bulk packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 39V
  • Clamping Voltage: 64.1V at 10A
  • Operating Temperature Range: -55°C to +175°C
  • Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KE39AHE3/51 has a standard axial lead configuration with two leads.

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient overvoltage to protect downstream components.
  • Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

  • Advantages:
    • High surge capability
    • Fast response time
    • Low clamping voltage
  • Disadvantages:
    • Limited to specific voltage and power ratings
    • Requires careful consideration of application requirements for optimal performance

Working Principles

When a transient voltage spike occurs, the 1.5KE39AHE3/51 conducts current to divert the excess energy away from the sensitive components, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The 1.5KE39AHE3/51 is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • Alternative Model 1: P6KE39CA
    • Breakdown Voltage: 39V
    • Package: DO-15
  • Alternative Model 2: SMAJ39A
    • Breakdown Voltage: 39V
    • Package: SMA

In conclusion, the 1.5KE39AHE3/51 TVS diode provides reliable surge protection for various electronic applications, offering high surge capability, fast response time, and low clamping voltage. Its effectiveness in safeguarding sensitive components makes it a crucial component in modern electronic designs.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق 1.5KE39AHE3/51 في الحلول التقنية

Sure, here are 10 common questions and answers related to the application of 1.5KE39AHE3/51 in technical solutions:

  1. What is the 1.5KE39AHE3/51 used for?

    • The 1.5KE39AHE3/51 is a transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum peak pulse power dissipation of the 1.5KE39AHE3/51?

    • The maximum peak pulse power dissipation of the 1.5KE39AHE3/51 is 1500 watts.

  3. What is the breakdown voltage of the 1.5KE39AHE3/51?

    • The breakdown voltage of the 1.5KE39AHE3/51 is 43.6 volts.

  4. What are the typical applications of the 1.5KE39AHE3/51?

    • The 1.5KE39AHE3/51 is commonly used in surge protection for telecommunications equipment, industrial control systems, and automotive electronics.

  5. What is the operating temperature range of the 1.5KE39AHE3/51?

    • The 1.5KE39AHE3/51 has an operating temperature range of -55°C to +175°C.

  6. How does the 1.5KE39AHE3/51 provide transient voltage suppression?

    • The 1.5KE39AHE3/51 clamps the voltage across the protected circuit when a transient event occurs, diverting excess current away from sensitive components.

  7. Is the 1.5KE39AHE3/51 suitable for high-speed data lines?

    • Yes, the 1.5KE39AHE3/51 is suitable for protecting high-speed data lines such as Ethernet and USB interfaces.

  8. Can multiple 1.5KE39AHE3/51 diodes be connected in series or parallel?

    • Yes, multiple 1.5KE39AHE3/51 diodes can be connected in series or parallel to increase the clamping voltage or current handling capability.

  9. What is the response time of the 1.5KE39AHE3/51 during a transient event?

    • The response time of the 1.5KE39AHE3/51 is very fast, typically in the nanosecond range.

  10. Are there any special considerations for PCB layout when using the 1.5KE39AHE3/51?

    • It's important to minimize the length and impedance of the traces connecting the 1.5KE39AHE3/51 to the protected circuit to ensure optimal performance.

I hope these answers are helpful! Let me know if you need further assistance.