Vishay Semiconductor Diodes Division
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1.5KE120AHE3/51
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1.5KE120AHE3/51

Product Overview

The 1.5KE120AHE3/51 belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are used to protect sensitive electronic components from voltage spikes and transients. The 1.5KE120AHE3/51 is designed to provide high reliability and performance in a compact package, making it suitable for a wide range of applications. It is characterized by its fast response time, low clamping voltage, and robust packaging.

Basic Information

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, low clamping voltage, high reliability
  • Package: Axial leaded, DO-201AE
  • Essence: Reliable protection for sensitive electronic components
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 120V
  • Operating Voltage: 103V
  • Maximum Clamping Voltage: 165V
  • Peak Pulse Current: 38.5A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KE120AHE3/51 TVS diode has an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Fast response time to clamp transient voltages
  • Low clamping voltage to protect downstream components
  • High peak pulse power handling capability
  • Robust construction for reliable performance in harsh environments

Advantages and Disadvantages

Advantages

  • Effective protection against voltage spikes
  • Compact and easy to integrate into circuit designs
  • Wide operating temperature range

Disadvantages

  • May exhibit some leakage current in normal operation
  • Requires careful consideration of placement in circuit layout to optimize performance

Working Principles

When a transient voltage spike occurs, the 1.5KE120AHE3/51 TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action effectively clamps the voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

The 1.5KE120AHE3/51 TVS diode is commonly used in various applications including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • 1.5KE6.8A
  • 1.5KE15A
  • 1.5KE33A
  • 1.5KE68A
  • 1.5KE120CA

In conclusion, the 1.5KE120AHE3/51 TVS diode offers reliable and effective protection against voltage spikes and transients, making it an essential component in many electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1.5KE120AHE3/51 v technických řešeních

  1. What is the 1.5KE120AHE3/51?

    • The 1.5KE120AHE3/51 is a transient voltage suppressor diode designed to protect electronic circuits from overvoltage transients.

  2. What is the maximum peak pulse power of the 1.5KE120AHE3/51?

    • The maximum peak pulse power is 1500 watts for a 10/1000μs waveform.

  3. What are the typical applications for the 1.5KE120AHE3/51?

    • Typical applications include protection of sensitive semiconductor devices such as integrated circuits, transistors, and diodes from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD).

  4. What is the breakdown voltage of the 1.5KE120AHE3/51?

    • The breakdown voltage is 120 volts.

  5. What is the operating temperature range of the 1.5KE120AHE3/51?

    • The operating temperature range is -55°C to +175°C.

  6. How does the 1.5KE120AHE3/51 provide overvoltage protection?

    • The 1.5KE120AHE3/51 clamps the voltage across the protected circuit when it exceeds the breakdown voltage, diverting excess current away from the sensitive components.

  7. Can the 1.5KE120AHE3/51 be used in automotive applications?

    • Yes, the 1.5KE120AHE3/51 is suitable for use in automotive electronics to protect against voltage transients.

  8. What is the response time of the 1.5KE120AHE3/51 during an overvoltage event?

    • The response time is very fast, typically in picoseconds, providing rapid protection to the connected circuitry.

  9. Is the 1.5KE120AHE3/51 RoHS compliant?

    • Yes, the 1.5KE120AHE3/51 is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. What are the packaging options available for the 1.5KE120AHE3/51?

    • The 1.5KE120AHE3/51 is available in various package types including DO-201, DO-201AD, and R-6.