Vishay Semiconductor Diodes Division
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1.5KE43HE3/54
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1.5KE43HE3/54

Product Overview

Category

The 1.5KE43HE3/54 belongs to the category of transient voltage suppressor diodes.

Use

These diodes are used to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

Characteristics

  • High surge capability
  • Low clamping voltage
  • Fast response time
  • Compact package size

Package

The 1.5KE43HE3/54 is typically available in a DO-201 package.

Essence

The essence of this product lies in its ability to divert excessive current away from sensitive components, thereby safeguarding them from damage due to voltage spikes.

Packaging/Quantity

These diodes are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 1500W
  • Breakdown Voltage: 43V
  • Maximum Clamping Voltage: 77.4V
  • Operating Temperature Range: -55°C to +175°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The 1.5KE43HE3/54 typically features two pins, with the anode and cathode connections clearly labeled for easy integration into circuit designs.

Functional Features

  • Transient voltage suppression
  • Reverse avalanche breakdown protection
  • Fast response to transient events

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited to specific voltage ratings
  • Requires careful consideration of placement in circuit design

Working Principles

When a voltage transient occurs, the diode conducts excess current to ground, limiting the voltage across the protected circuit.

Detailed Application Field Plans

The 1.5KE43HE3/54 is widely used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  • 1.5KE6.8A
  • 1.5KE10A
  • 1.5KE18CA
  • 1.5KE33A

In conclusion, the 1.5KE43HE3/54 transient voltage suppressor diode offers robust protection against voltage transients, making it an essential component in various electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1.5KE43HE3/54 en soluciones técnicas

  1. What is the 1.5KE43HE3/54 used for?

    • The 1.5KE43HE3/54 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 1.5KE43HE3/54?

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

  3. What is the breakdown voltage of the 1.5KE43HE3/54?

    • The breakdown voltage is 43 volts.

  4. What are the typical applications for the 1.5KE43HE3/54?

    • Typical applications include protection of sensitive semiconductor devices, such as integrated circuits, transistors, and diodes, from overvoltage events.

  5. What is the operating temperature range of the 1.5KE43HE3/54?

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

  6. What is the reverse stand-off voltage of the 1.5KE43HE3/54?

    • The reverse stand-off voltage is 36.8 volts.

  7. Does the 1.5KE43HE3/54 meet any specific industry standards?

    • Yes, it meets the requirements of various industrial standards for surge suppression and transient voltage protection.

  8. Can the 1.5KE43HE3/54 be used in automotive applications?

    • Yes, it can be used in automotive electronics for protecting sensitive components from voltage transients.

  9. What package type does the 1.5KE43HE3/54 come in?

    • It comes in a DO-201AD (DO-27) axial leaded package.

  10. Is the 1.5KE43HE3/54 RoHS compliant?

    • Yes, it is RoHS compliant, making it suitable for use in environmentally conscious designs.