Microsemi Corporation
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1N4730AUR
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1N4730AUR

Product Overview

Category

The 1N4730AUR belongs to the category of semiconductor devices, specifically within the family of Zener diodes.

Use

It is commonly used for voltage regulation and stabilization in electronic circuits.

Characteristics

  • Zener voltage: 3.9V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C

Packaging/Quantity

The 1N4730AUR is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

  • Zener Voltage: 3.9V
  • Power Dissipation: 1.0W
  • Maximum Forward Voltage: 1.2V
  • Reverse Leakage Current: 5μA
  • Temperature Coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4730AUR has two pins, anode and cathode, which are identified by the physical orientation of the device and the manufacturer's datasheet.

Functional Features

The 1N4730AUR provides a stable reference voltage when operated in its reverse breakdown region, making it suitable for voltage regulation and protection in various electronic circuits.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 1N4730AUR operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased, allowing it to regulate voltage in electronic circuits.

Detailed Application Field Plans

The 1N4730AUR finds applications in various fields such as: - Voltage regulators in power supplies - Overvoltage protection circuits - Signal clamping circuits - Voltage reference sources

Detailed and Complete Alternative Models

Some alternative models to the 1N4730AUR include: - 1N4728AUR (3.3V Zener voltage) - 1N4731AUR (4.3V Zener voltage) - 1N4734AUR (5.6V Zener voltage)

In conclusion, the 1N4730AUR Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and protection. Its compact size and wide operating temperature range make it suitable for diverse applications in various industries.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4730AUR en soluciones técnicas

  1. What is the 1N4730AUR?

    • The 1N4730AUR is a Zener diode with a voltage rating of 3.9V, commonly used in electronic circuits for voltage regulation and protection.

  2. How does the 1N4730AUR work?

    • The 1N4730AUR operates by allowing current to flow in the forward direction like a normal diode, but also conducts in the reverse direction when the voltage reaches its breakdown voltage, providing a stable output voltage.

  3. What are the typical applications of the 1N4730AUR?

    • It is commonly used in voltage regulator circuits, voltage reference circuits, and as a protective element against voltage spikes in electronic devices.

  4. What is the maximum power dissipation of the 1N4730AUR?

    • The maximum power dissipation of the 1N4730AUR is typically around 1.3W, making it suitable for low to medium power applications.

  5. What is the temperature coefficient of the 1N4730AUR?

    • The temperature coefficient of the 1N4730AUR is approximately -2.2mV/°C, which means its voltage reference remains relatively stable over a range of temperatures.

  6. Can the 1N4730AUR be used in reverse bias?

    • Yes, the 1N4730AUR can be used in reverse bias to regulate voltage and protect circuits from overvoltage conditions.

  7. What is the typical forward voltage drop of the 1N4730AUR?

    • The typical forward voltage drop of the 1N4730AUR is around 1.2V at a forward current of 20mA.

  8. Is the 1N4730AUR sensitive to ESD (electrostatic discharge)?

    • Like most semiconductor devices, the 1N4730AUR is sensitive to ESD and should be handled using proper ESD precautions.

  9. What is the packaging type of the 1N4730AUR?

    • The 1N4730AUR is commonly available in a DO-41 axial lead package, making it easy to integrate into through-hole circuit designs.

  10. Are there any equivalent alternatives to the 1N4730AUR?

    • Yes, other Zener diodes with similar voltage ratings such as BZX55C3V9 or 1N5226B can be used as alternatives to the 1N4730AUR depending on specific application requirements.