Microsemi Corporation
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1N4743AUR
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1N4743AUR

Product Overview

Category

The 1N4743AUR belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Storage temperature range: -65°C to +200°C

Packaging/Quantity

The 1N4743AUR is typically available in tape and reel packaging with quantities varying based on supplier and customer requirements.

Specifications

  • Zener voltage: 13V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4743AUR has two pins, anode (A) and cathode (K), which are identified by the polarity marking on the device.

Functional Features

  • Precise voltage regulation
  • Low reverse leakage current
  • High reliability and stability

Advantages

  • Provides stable voltage output
  • Wide operating temperature range
  • Compact and easy to integrate into circuits

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N4743AUR operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.

Detailed Application Field Plans

The 1N4743AUR is widely used in: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4743AUR include: - 1N4733A - 1N4734A - 1N4735A - 1N4736A - 1N4737A

In conclusion, the 1N4743AUR Zener diode is a reliable component for voltage regulation and reference applications, offering precise voltage control and stability within a wide temperature range.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4743AUR en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of 1N4743AUR in technical solutions:

  1. What is the voltage rating of 1N4743AUR?

    • The voltage rating of 1N4743AUR is 13 volts.

  2. What type of diode is 1N4743AUR?

    • 1N4743AUR is a Zener diode, specifically a 1W 13V Zener diode.

  3. What are the typical applications of 1N4743AUR?

    • Typical applications include voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.

  4. What is the maximum power dissipation of 1N4743AUR?

    • The maximum power dissipation is 1 watt.

  5. What is the operating temperature range for 1N4743AUR?

    • The operating temperature range is typically -65°C to +200°C.

  6. How does 1N4743AUR behave in reverse bias?

    • In reverse bias, 1N4743AUR exhibits a stable and well-defined breakdown voltage.

  7. Can 1N4743AUR be used for voltage regulation in power supplies?

    • Yes, 1N4743AUR can be used as a voltage regulator in low-power applications.

  8. What is the tolerance of the breakdown voltage for 1N4743AUR?

    • The tolerance is typically ±5%.

  9. Is 1N4743AUR suitable for precision voltage references?

    • While it can be used for general voltage reference applications, it may not be suitable for precision voltage references due to its tolerance.

  10. Are there any specific considerations for PCB layout when using 1N4743AUR?

    • It's important to ensure proper heat sinking and adequate trace widths to handle the current without overheating.

I hope these questions and answers are helpful! Let me know if you need further assistance.