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1SMA4747-GT3TR
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1SMA4747-GT3TR

Product Overview

Category

The 1SMA4747-GT3TR belongs to the category of surface mount silicon zener diodes.

Use

It is commonly used for voltage regulation and transient suppression in various electronic circuits.

Characteristics

  • Zener voltage: 20V
  • Power dissipation: 1.5W
  • Package type: SMA
  • RoHS compliant

Package

The 1SMA4747-GT3TR is typically available in a SMA package, and it is supplied in tape and reel packaging.

Packaging/Quantity

It is usually packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 20V
  • Power dissipation: 1.5W
  • Forward voltage: 1.5V
  • Reverse current: 5μA
  • Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1SMA4747-GT3TR has two pins, with the anode connected to one pin and the cathode connected to the other.

Functional Features

  • Voltage regulation
  • Transient suppression
  • High power dissipation capability

Advantages

  • Small form factor
  • RoHS compliant
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation compared to larger diodes
  • Sensitive to overvoltage conditions

Working Principles

The 1SMA4747-GT3TR operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

This diode is widely used in applications such as voltage regulation in power supplies, surge protection in communication systems, and transient suppression in automotive electronics.

Detailed and Complete Alternative Models

Some alternative models to the 1SMA4747-GT3TR include the 1N4747A, BZX85C20, and P6SMB20CA, which offer similar zener voltage and power dissipation characteristics.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1SMA4747-GT3TR en soluciones técnicas

  1. What is the maximum forward current rating for 1SMA4747-GT3TR?

    • The maximum forward current rating for 1SMA4747-GT3TR is 10A.

  2. What is the reverse standoff voltage of 1SMA4747-GT3TR?

    • The reverse standoff voltage of 1SMA4747-GT3TR is 40V.

  3. What is the peak pulse power dissipation of 1SMA4747-GT3TR?

    • The peak pulse power dissipation of 1SMA4747-GT3TR is 1000W.

  4. What are the typical applications for 1SMA4747-GT3TR?

    • Typical applications for 1SMA4747-GT3TR include overvoltage protection, transient voltage suppression, and ESD protection in various electronic circuits.

  5. What is the operating temperature range for 1SMA4747-GT3TR?

    • The operating temperature range for 1SMA4747-GT3TR is -55°C to +150°C.

  6. What is the package type of 1SMA4747-GT3TR?

    • 1SMA4747-GT3TR comes in a DO-214AC (SMA) package.

  7. Is 1SMA4747-GT3TR RoHS compliant?

    • Yes, 1SMA4747-GT3TR is RoHS compliant.

  8. What is the clamping voltage of 1SMA4747-GT3TR?

    • The clamping voltage of 1SMA4747-GT3TR is 64.5V at 10A.

  9. Does 1SMA4747-GT3TR have a low leakage current?

    • Yes, 1SMA4747-GT3TR has a low leakage current of less than 1µA at its rated voltage.

  10. Can 1SMA4747-GT3TR be used for surge protection in power supply units?

    • Yes, 1SMA4747-GT3TR can be used for surge protection in power supply units due to its high peak pulse power dissipation and low clamping voltage characteristics.