Vishay Semiconductor Diodes Division
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1.5KE91HE3/54
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1.5KE91HE3/54

Product Overview

Category

The 1.5KE91HE3/54 belongs to the category of transient voltage suppressor diodes (TVS diodes).

Use

These diodes are used to protect sensitive electronics from voltage spikes and transients.

Characteristics

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

Package

The 1.5KE91HE3/54 is available in a DO-201 package.

Essence

This TVS diode is essential for safeguarding electronic circuits from voltage surges and transients.

Packaging/Quantity

The 1.5KE91HE3/54 is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 82.4V to 91V
  • Operating Temperature: -55°C to 175°C
  • Reverse Standoff Voltage: 77.4V

Detailed Pin Configuration

The 1.5KE91HE3/54 TVS diode has a standard two-pin configuration, with the anode and cathode connections clearly marked.

Functional Features

  • Provides protection against voltage transients
  • Fast response to surge events
  • Low clamping voltage ensures minimal impact on protected circuits

Advantages and Disadvantages

Advantages

  • High surge capability
  • Fast response time
  • RoHS compliant

Disadvantages

  • Sensitive to overvoltage conditions
  • Requires careful handling during installation

Working Principles

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

Detailed Application Field Plans

The 1.5KE91HE3/54 is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • 1.5KE100A
  • 1.5KE91CA
  • P6KE91CA
  • SA5.0CA

In conclusion, the 1.5KE91HE3/54 TVS diode is a crucial component in protecting electronic circuits from voltage transients, offering high surge capability and fast response times. Its application spans various industries, and there are alternative models available for specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5KE91HE3/54 v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1.5KE91HE3/54 in technical solutions:

  1. What is the 1.5KE91HE3/54 used for?

    • The 1.5KE91HE3/54 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 1.5KE91HE3/54?

    • The maximum peak pulse power dissipation of the 1.5KE91HE3/54 is 1500 watts.

  3. What is the breakdown voltage of the 1.5KE91HE3/54?

    • The breakdown voltage of the 1.5KE91HE3/54 is 91 volts.

  4. How does the 1.5KE91HE3/54 protect electronic circuits?

    • The 1.5KE91HE3/54 clamps the voltage across the circuit it is protecting, diverting excess current away from sensitive components.

  5. What are some typical applications of the 1.5KE91HE3/54?

    • Typical applications include protection of power supplies, automotive electronics, telecommunications equipment, and industrial control systems.

  6. What is the response time of the 1.5KE91HE3/54?

    • The response time of the 1.5KE91HE3/54 is very fast, typically in the nanosecond range.

  7. Can the 1.5KE91HE3/54 be used in high-speed data lines?

    • Yes, the 1.5KE91HE3/54 can be used to protect high-speed data lines from voltage transients.

  8. Is the 1.5KE91HE3/54 suitable for use in harsh environments?

    • Yes, the 1.5KE91HE3/54 is designed to withstand harsh environmental conditions and is suitable for rugged applications.

  9. What is the operating temperature range of the 1.5KE91HE3/54?

    • The 1.5KE91HE3/54 has an operating temperature range of -55°C to 175°C.

  10. Are there any special considerations for mounting the 1.5KE91HE3/54?

    • It is important to ensure proper heat sinking and electrical isolation when mounting the 1.5KE91HE3/54 to maximize its performance and reliability.