Vishay Semiconductor Diodes Division
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1.5KE39-E3/54
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1.5KE39-E3/54

Product Overview

The 1.5KE39-E3/54 belongs to the category of TVS (Transient Voltage Suppressor) diodes and is designed for use in surge protection applications. These diodes are characterized by their high surge capability, fast response time, and low clamping voltage. They are typically packaged in a DO-201 package and are available in tape and reel packaging with a quantity of 500 units per reel.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 39V
  • Package Type: DO-201
  • Packaging: Tape and Reel
  • Quantity per Reel: 500 units

Detailed Pin Configuration

The 1.5KE39-E3/54 TVS diode has a standard axial lead configuration with two leads.

Functional Features

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

Advantages and Disadvantages

Advantages: - Effective surge protection - Fast response to transient voltage spikes - Wide operating temperature range

Disadvantages: - May require additional circuitry for comprehensive overvoltage protection

Working Principles

When a transient voltage spike occurs, the TVS diode conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The 1.5KE39-E3/54 TVS diode is commonly used in various electronic systems such as power supplies, communication equipment, automotive electronics, and industrial controls to protect sensitive components from voltage surges and transients.

Detailed and Complete Alternative Models

  • 1.5KE33-E3/54
  • 1.5KE36-E3/54
  • 1.5KE43-E3/54
  • 1.5KE51-E3/54

This completes the entry for the 1.5KE39-E3/54 TVS diode, providing a comprehensive overview of its product details, specifications, functional features, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1.5KE39-E3/54 en soluciones técnicas

  1. What is the maximum peak pulse power dissipation of 1.5KE39-E3/54?

    • The maximum peak pulse power dissipation of 1.5KE39-E3/54 is 1500 watts for a 10/1000μs waveform.

  2. What is the breakdown voltage of 1.5KE39-E3/54?

    • The breakdown voltage of 1.5KE39-E3/54 is typically 43.6 volts.

  3. What are the typical applications of 1.5KE39-E3/54?

    • 1.5KE39-E3/54 is commonly used in surge protection for sensitive electronics, such as in telecommunications equipment, industrial control systems, and automotive electronics.

  4. What is the clamping voltage of 1.5KE39-E3/54?

    • The clamping voltage of 1.5KE39-E3/54 is typically 58.1 volts at a peak pulse current of 100A.

  5. What is the operating temperature range of 1.5KE39-E3/54?

    • The operating temperature range of 1.5KE39-E3/54 is -55°C to +175°C.

  6. How does 1.5KE39-E3/54 provide surge protection?

    • 1.5KE39-E3/54 provides surge protection by diverting excess transient voltage away from sensitive components, thereby limiting the voltage across the protected circuit.

  7. Is 1.5KE39-E3/54 suitable for high-reliability applications?

    • Yes, 1.5KE39-E3/54 is suitable for high-reliability applications due to its robust construction and ability to withstand transient surges.

  8. What is the response time of 1.5KE39-E3/54?

    • The response time of 1.5KE39-E3/54 is very fast, typically responding to transient surges in nanoseconds.

  9. Can 1.5KE39-E3/54 be used for overvoltage protection in power supply circuits?

    • Yes, 1.5KE39-E3/54 can be used for overvoltage protection in power supply circuits to safeguard sensitive components from voltage spikes.

  10. Does 1.5KE39-E3/54 require any additional heat sinking during operation?

    • In most cases, 1.5KE39-E3/54 does not require additional heat sinking during normal operation, but it's important to consider thermal management in high-power or prolonged surge events.