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2N3906-G
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2N3906-G

Product Overview

Category

The 2N3906-G is a general-purpose PNP bipolar junction transistor (BJT).

Use

It is commonly used for amplification and switching of electronic signals in various applications.

Characteristics

  • Low power, high voltage
  • High current gain
  • Medium frequency capability

Package

The 2N3906-G is typically available in a TO-92 package.

Essence

This transistor is essential for electronic circuit design, particularly in low-power applications.

Packaging/Quantity

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

Specifications

  • Collector-Emitter Voltage: 40V
  • Collector-Base Voltage: 40V
  • Emitter-Base Voltage: 5V
  • Collector Current - Continuous: 200mA
  • Power Dissipation: 625mW
  • DC Current Gain (hFE): 100 to 300
  • Transition Frequency: 250MHz

Detailed Pin Configuration

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

Functional Features

The 2N3906-G offers: - High current gain - Low noise - Fast switching speed

Advantages

  • Versatile use in various electronic circuits
  • Reliable performance
  • Cost-effective

Disadvantages

  • Limited power handling capacity
  • Susceptible to thermal runaway at high currents

Working Principles

The 2N3906-G operates as a current-controlled switch or amplifier. When a small current flows into the base, it controls a larger current flowing between the collector and emitter.

Detailed Application Field Plans

The 2N3906-G is widely used in: - Audio amplifiers - Signal amplification circuits - Switching applications - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N3906-G include: - BC557 - 2N4403 - MPSA42 - S8550

In conclusion, the 2N3906-G is a versatile and widely-used PNP transistor that finds application in numerous electronic circuits due to its reliable performance and cost-effectiveness. Its characteristics make it suitable for a range of low-power applications, making it an essential component in modern electronics.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 2N3906-G en soluciones técnicas

  1. What is the 2N3906-G transistor used for?

    • The 2N3906-G transistor is commonly used as a general-purpose PNP bipolar junction transistor (BJT) in various electronic circuits.

  2. What are the typical applications of the 2N3906-G transistor?

    • Typical applications include amplification, switching, and voltage regulation in electronic circuits such as audio amplifiers, signal processing circuits, and voltage regulators.

  3. What are the key electrical characteristics of the 2N3906-G transistor?

    • The 2N3906-G transistor typically has a maximum collector current (Ic) of 200mA, a maximum collector-emitter voltage (Vce) of 40V, and a DC current gain (hfe) ranging from 100 to 300.

  4. How do I identify the pin configuration of the 2N3906-G transistor?

    • The 2N3906-G transistor typically has three pins: the emitter, base, and collector. When viewing the flat side of the transistor with the pins down, the left pin is the emitter, the middle pin is the base, and the right pin is the collector.

  5. Can the 2N3906-G transistor be used for low-power amplification?

    • Yes, the 2N3906-G transistor is suitable for low-power amplification applications due to its moderate current and voltage ratings.

  6. What are some common circuit configurations using the 2N3906-G transistor?

    • Common circuit configurations include common-emitter amplifiers, emitter followers, and switch-mode circuits.

  7. Are there any specific considerations for driving the 2N3906-G transistor in a switching application?

    • When using the 2N3906-G transistor in a switching application, it's important to ensure proper base current drive to achieve fast switching speeds and minimize switching losses.

  8. What are the temperature limitations of the 2N3906-G transistor?

    • The 2N3906-G transistor typically has a maximum operating temperature of around 150°C, so thermal management may be necessary in high-temperature environments.

  9. Can the 2N3906-G transistor be used in audio amplifier circuits?

    • Yes, the 2N3906-G transistor can be used in small-signal audio amplifier circuits, providing moderate gain and low distortion when properly biased.

  10. Where can I find detailed specifications and application notes for the 2N3906-G transistor?

    • Detailed specifications and application notes for the 2N3906-G transistor can be found in the manufacturer's datasheet and application notes, which are typically available on the manufacturer's website or through authorized distributors.