Vishay Semiconductor Diodes Division
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1.5KE75AL407HE3/72

1.5KE75AL407HE3/72 - Product Encyclopedia Entry

Introduction

The 1.5KE75AL407HE3/72 is a high-performance transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides a comprehensive overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Electronic Components
  • Use: Protection against voltage transients
  • Characteristics: High surge capability, low clamping voltage, fast response time
  • Package: Axial leaded
  • Essence: TVS diode for transient voltage protection
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Voltage - Reverse Standoff (Typ): 64.3V
  • Voltage - Breakdown (Min): 71.3V
  • Voltage - Clamping (Max) @ Ipp: 103V
  • Current - Peak Pulse (10/1000µs): 58.6A
  • Power - Peak Pulse: 1500W
  • Operating Temperature: -55°C to 175°C

Detailed Pin Configuration

The 1.5KE75AL407HE3/72 TVS diode has an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Transient Voltage Suppression: Effectively clamps transient voltages to protect downstream components.
  • Fast Response Time: Rapid reaction to transient events ensures minimal impact on the protected circuitry.
  • High Surge Capability: Capable of withstanding high surge currents without degradation.

Advantages and Disadvantages

Advantages

  • Effective protection against transient voltage events
  • Fast response time
  • High surge capability

Disadvantages

  • May require additional circuitry for comprehensive overvoltage protection

Working Principles

The 1.5KE75AL407HE3/72 operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the TVS diode rapidly conducts, diverting excess current away from the protected circuitry and clamping the voltage to a safe level.

Detailed Application Field Plans

The 1.5KE75AL407HE3/72 is widely used in various applications, including: - Power supplies - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE68A: Lower reverse standoff voltage
  • 1.5KE82A: Higher reverse standoff voltage
  • P6KE75A: SMA package alternative

In conclusion, the 1.5KE75AL407HE3/72 TVS diode offers robust transient voltage protection with fast response times and high surge capability, making it an essential component in safeguarding sensitive electronic equipment from voltage transients.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5KE75AL407HE3/72 v technických řešeních

  1. What is the 1.5KE75AL407HE3/72 used for?

    • The 1.5KE75AL407HE3/72 is a transient voltage suppressor diode designed to protect electronic circuits from voltage spikes and transients.

  2. What is the maximum voltage it can handle?

    • It has a peak pulse power dissipation of 1500W, making it suitable for handling high voltage transients up to 75V.

  3. In what type of technical solutions is it commonly used?

    • It is commonly used in power supplies, automotive electronics, industrial equipment, and telecommunications systems to protect sensitive components from voltage surges.

  4. How does the 1.5KE75AL407HE3/72 provide protection?

    • It clamps the voltage across the circuit it is protecting by diverting excess current away from the sensitive components, thus preventing damage due to voltage spikes.

  5. What are its physical dimensions?

    • The 1.5KE75AL407HE3/72 typically comes in a DO-201 package with dimensions of approximately 7.11mm x 6.10mm.

  6. Is it RoHS compliant?

    • Yes, the 1.5KE75AL407HE3/72 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive's requirements.

  7. Can it be used for surge protection in outdoor applications?

    • Yes, it can be used in outdoor applications as long as it is housed in an appropriate protective enclosure to shield it from environmental factors.

  8. Does it have any temperature limitations?

    • The 1.5KE75AL407HE3/72 has an operating temperature range of -55°C to +175°C, allowing it to function effectively in a wide range of environments.

  9. Are there any specific mounting or soldering considerations?

    • It is recommended to follow the manufacturer's guidelines for proper mounting and soldering techniques to ensure optimal performance and reliability.

  10. Where can I find detailed specifications and application notes for the 1.5KE75AL407HE3/72?

    • Detailed specifications and application notes can be found in the product datasheet provided by the manufacturer or on their official website.