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1N4756A
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1N4756A

Product Overview

Category

The 1N4756A is a Zener diode, which falls under the category of semiconductor devices.

Use

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

Characteristics

  • The 1N4756A has a nominal Zener voltage of 47V.
  • It exhibits a low dynamic impedance and sharp breakdown characteristics.
  • This diode operates in the reverse-bias direction.

Package

The 1N4756A is typically available in a DO-41 axial leaded package.

Essence

This Zener diode is essential for maintaining a stable voltage across a circuit.

Packaging/Quantity

It is commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 47V
  • Power Dissipation: 1.0W
  • Operating Temperature Range: -65°C to +200°C
  • Forward Voltage: 1.5V
  • Reverse Current: 5μA

Detailed Pin Configuration

The 1N4756A Zener diode has two leads, with the cathode being shorter than the anode. When viewing the diode from the front, the left lead is the cathode, and the right lead is the anode.

Functional Features

  • Provides a constant voltage output when operated in the reverse-bias region.
  • Offers protection against voltage spikes and surges in electronic circuits.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation.
  • Low dynamic impedance.
  • Compact size.

Disadvantages

  • Susceptible to thermal runaway if not properly heat-sinked.
  • Limited power dissipation capability.

Working Principles

The 1N4756A Zener diode 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

The 1N4756A finds application in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4756A include: - 1N4748A - 1N4749A - 1N4763A - BZX85C47

In conclusion, the 1N4756A Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection against voltage fluctuations and surges.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4756A en soluciones técnicas

  1. What is 1N4756A?

    • 1N4756A is a Zener diode with a voltage rating of 47 volts and a power rating of 1 watt.

  2. What are the typical applications of 1N4756A?

    • It is commonly used for voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.

  3. How does 1N4756A work as a voltage regulator?

    • When operated in its reverse breakdown region, the 1N4756A maintains a nearly constant voltage across its terminals, providing a stable output voltage.

  4. Can 1N4756A be used for voltage reference purposes?

    • Yes, due to its stable voltage characteristics, it can be employed as a voltage reference in precision electronic systems.

  5. What are the key specifications to consider when using 1N4756A in a technical solution?

    • The key specifications include its voltage rating, power dissipation, and temperature coefficient.

  6. Is 1N4756A suitable for overvoltage protection?

    • Yes, it can be used to protect sensitive components from overvoltage by shunting excess current when the voltage exceeds its breakdown voltage.

  7. What are the typical operating conditions for 1N4756A?

    • It operates within a specified range of temperatures and current levels, which should be considered for proper application.

  8. Are there any limitations to using 1N4756A in certain applications?

    • While it is suitable for many applications, it may not be ideal for high-power or high-frequency circuits due to its power rating and capacitance.

  9. How can 1N4756A be integrated into a circuit for voltage regulation?

    • It can be connected in parallel with the load to maintain a constant output voltage, or in series with a current-limiting resistor for specific applications.

  10. Where can I find detailed application notes for using 1N4756A in technical solutions?

    • Detailed application notes can be found in the datasheet provided by the manufacturer, which includes example circuits and guidelines for usage.