Diodes Incorporated
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
1N4731A-T
Details bekijken DataSheets

1N4731A-T

Product Overview

Category:

The 1N4731A-T belongs to the category of semiconductor diodes.

Use:

It is commonly used as a voltage regulator in electronic circuits.

Characteristics:

  • Zener voltage: 4.3V
  • Power dissipation: 1W
  • Operating temperature: -65°C to +200°C

Package:

The 1N4731A-T is available in a DO-41 axial leaded package.

Packaging/Quantity:

It is typically packaged in reels or bulk, with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage (Vz): 4.3V
  • Tolerance: ±5%
  • Maximum Reverse Leakage Current: 5μA
  • Maximum Zener Impedance: 10Ω
  • Maximum Surge Current: 50A

Detailed Pin Configuration

The 1N4731A-T has two leads, with the cathode being shorter than the anode. The pin configuration is as follows: - Anode (A) - Cathode (K)

Functional Features

The 1N4731A-T operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load conditions.

Advantages and Disadvantages

Advantages:

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

Disadvantages:

  • Limited power dissipation capability
  • Sensitivity to temperature fluctuations

Working Principles

The 1N4731A-T operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified Zener voltage.

Detailed Application Field Plans

The 1N4731A-T finds applications in various electronic circuits, including: - Voltage regulation in power supplies - Overvoltage protection - Signal clamping

Detailed and Complete Alternative Models

Some alternative models to the 1N4731A-T include: - 1N4732A-T (Zener voltage: 4.7V) - 1N4733A-T (Zener voltage: 5.1V) - 1N4734A-T (Zener voltage: 5.6V)

In conclusion, the 1N4731A-T is a semiconductor diode with a specific Zener voltage of 4.3V, primarily used for voltage regulation in electronic circuits. Its compact size and precise voltage regulation make it suitable for various applications, despite its limitations in power dissipation and sensitivity to temperature fluctuations. Additionally, alternative models with different Zener voltages are available to cater to specific circuit requirements.

Word count: 366

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1N4731A-T in technische oplossingen

  1. What is the 1N4731A-T diode used for?

    • The 1N4731A-T is a silicon planar power Zener diode commonly used for voltage regulation and stabilization in various technical solutions.

  2. What is the voltage rating of the 1N4731A-T diode?

    • The 1N4731A-T has a nominal voltage of 4.3 volts, making it suitable for applications requiring a stable 4.3V reference voltage.

  3. How does the 1N4731A-T diode regulate voltage?

    • The 1N4731A-T operates in the reverse-biased breakdown region, allowing it to maintain a constant voltage drop across its terminals, effectively regulating the output voltage.

  4. Can the 1N4731A-T be used for overvoltage protection?

    • Yes, the 1N4731A-T can be employed as a simple overvoltage protection device by connecting it in parallel with the load to limit the voltage across the load.

  5. What are the typical applications of the 1N4731A-T diode?

    • Common applications include voltage regulators, voltage references, overvoltage protection circuits, and general purpose voltage stabilization in electronic circuits.

  6. What is the maximum power dissipation of the 1N4731A-T diode?

    • The 1N4731A-T has a maximum power dissipation of 1.0 watt, allowing it to handle moderate power levels in practical applications.

  7. Is the 1N4731A-T suitable for low current applications?

    • Yes, the 1N4731A-T is well-suited for low current applications due to its ability to maintain stable voltage regulation even at low current levels.

  8. What is the temperature coefficient of the 1N4731A-T diode?

    • The temperature coefficient of the 1N4731A-T is typically around 5 mV/°C, indicating its sensitivity to changes in temperature.

  9. Can multiple 1N4731A-T diodes be connected in series or parallel?

    • Yes, multiple 1N4731A-T diodes can be connected in series to create higher voltage references or in parallel to increase the current handling capacity.

  10. Are there any precautions to consider when using the 1N4731A-T diode?

    • It's important to ensure that the maximum power dissipation and current ratings are not exceeded, and to provide adequate heat sinking if operating at high power levels. Additionally, attention should be given to the temperature effects on the voltage regulation.