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2N5428

2N5428 Transistor

Product Overview

Category

The 2N5428 is a general-purpose PNP bipolar junction transistor (BJT).

Use

It is commonly used for amplification and switching applications in electronic circuits.

Characteristics

  • Low power dissipation
  • High current gain
  • Medium voltage capability

Package

The 2N5428 is typically available in a TO-92 package.

Essence

This transistor is essential for designing and building various electronic devices and circuits.

Packaging/Quantity

The 2N5428 is usually sold in reels or tubes containing multiple units, with quantities varying based on the supplier.

Specifications

  • Collector-Emitter Voltage: -80V
  • Collector-Base Voltage: -80V
  • Emitter-Base Voltage: -5V
  • Collector Current: -300mA
  • Power Dissipation: 625mW
  • Transition Frequency: 30MHz
  • Operating Temperature: -65°C to 200°C

Detailed Pin Configuration

  1. Emitter (E)
  2. Base (B)
  3. Collector (C)

Functional Features

  • High current gain allows for small base current to control larger collector current.
  • Low power dissipation makes it suitable for low-power applications.
  • Medium voltage capability enables it to be used in a wide range of circuit designs.

Advantages

  • Versatile and widely used in various electronic applications.
  • Good current gain characteristics.
  • Suitable for low-power circuits.

Disadvantages

  • Limited voltage and current handling capabilities compared to high-power transistors.
  • Sensitive to temperature variations.

Working Principles

The 2N5428 operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small current at the base terminal, allowing for amplification and switching functions.

Detailed Application Field Plans

The 2N5428 is commonly used in: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N5428 include: - BC557 - 2N3906 - 2N4403 - 2N5401

In conclusion, the 2N5428 transistor is a versatile component that finds widespread use in electronic circuits due to its favorable characteristics and performance. Its ability to amplify and switch signals makes it an integral part of many electronic devices and systems.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 2N5428 en soluciones técnicas

  1. What is the 2N5428 transistor used for?

    • The 2N5428 is a PNP bipolar junction transistor commonly used for amplification and switching applications.

  2. What are the typical operating conditions for the 2N5428?

    • The 2N5428 operates with a maximum collector-base voltage of 40V, a maximum collector-emitter voltage of 30V, and a maximum emitter-base voltage of 5V.

  3. What is the maximum current the 2N5428 can handle?

    • The 2N5428 has a maximum continuous collector current (IC) of 500mA.

  4. How do I connect the 2N5428 in a common emitter configuration?

    • In a common emitter configuration, the emitter is grounded, the base is the input, and the collector is the output.

  5. What are some typical applications of the 2N5428?

    • The 2N5428 is commonly used in audio amplifiers, signal processing circuits, and general purpose switching applications.

  6. What are the key characteristics of the 2N5428?

    • The 2N5428 has high current gain, low noise, and good linearity, making it suitable for various amplification tasks.

  7. Can the 2N5428 be used in high-frequency applications?

    • While the 2N5428 can be used in moderate frequency applications, it may not be suitable for very high-frequency operations due to its transition frequency limitations.

  8. What are the recommended storage conditions for the 2N5428?

    • It is recommended to store the 2N5428 in a cool, dry place, away from direct sunlight and moisture to maintain its performance.

  9. How do I test the 2N5428 to ensure it's functioning properly?

    • You can test the 2N5428 using a multimeter to measure its hFE (DC current gain), as well as perform a simple amplification or switching test in a circuit.

  10. Where can I find the detailed datasheet for the 2N5428?

    • The detailed datasheet for the 2N5428 can be found on various semiconductor manufacturers' websites or distributor platforms.