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2N3904_J25Z
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2N3904_J25Z

Product Overview

Category:

The 2N3904_J25Z belongs to the category of NPN bipolar junction transistors.

Use:

It is commonly used as a general-purpose amplifier and switch in electronic circuits.

Characteristics:

  • Small signal NPN transistor
  • Low power, high voltage
  • High current gain
  • Fast switching speed

Package:

The 2N3904_J25Z is typically available in a TO-92 package.

Essence:

This transistor is essential for amplifying and switching electronic signals in various applications.

Packaging/Quantity:

The 2N3904_J25Z is usually packaged in reels with a quantity of 1000 units per reel.

Specifications

  • Collector-Emitter Voltage (VCEO): 40V
  • Collector-Base Voltage (VCBO): 60V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 200mA
  • Power Dissipation (PD): 625mW
  • DC Current Gain (hFE): 100 - 300
  • Transition Frequency (fT): 250MHz

Detailed Pin Configuration

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

Functional Features

  • Amplification of small electronic signals
  • Switching capability for electronic circuits
  • Suitable for low-power applications

Advantages

  • High current gain
  • Fast switching speed
  • Versatile usage in electronic circuits

Disadvantages

  • Limited power dissipation capability
  • Relatively low collector-emitter voltage rating

Working Principles

The 2N3904_J25Z operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

The 2N3904_J25Z is widely used in: - Audio amplifiers - Signal amplification circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N3904_J25Z include: - BC547 - 2N2222 - PN2222

In conclusion, the 2N3904_J25Z NPN transistor is a versatile component that finds application in a wide range of electronic circuits due to its small size, high current gain, and fast switching speed. While it has limitations in terms of power dissipation and voltage ratings, its functional features make it an essential part of many electronic designs.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 2N3904_J25Z dalam solusi teknis

Sure, here are 10 common questions and answers related to the application of 2N3904_J25Z in technical solutions:

  1. What is the 2N3904_J25Z transistor used for?

    • The 2N3904_J25Z is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications.

  2. What are the typical operating conditions for the 2N3904_J25Z?

    • The 2N3904_J25Z typically operates at a maximum collector current of 200mA and a maximum collector-emitter voltage of 40V.

  3. How can I use the 2N3904_J25Z as an amplifier?

    • The 2N3904_J25Z can be used as a common-emitter amplifier by biasing the base with a suitable voltage and connecting the input signal to the base, while taking the output from the collector.

  4. Can the 2N3904_J25Z be used for low-power switching applications?

    • Yes, the 2N3904_J25Z can be used for low-power switching applications such as driving small relays or LEDs.

  5. What are the key characteristics of the 2N3904_J25Z that make it suitable for audio amplifier applications?

    • The 2N3904_J25Z has low noise, high gain, and good frequency response, making it suitable for audio amplifier applications.

  6. How do I calculate the base resistor for biasing the 2N3904_J25Z in an amplifier circuit?

    • The base resistor can be calculated using the formula: RB = (Vcc - Vbe) / Ib, where Vcc is the supply voltage, Vbe is the base-emitter voltage, and Ib is the base current.

  7. Can the 2N3904_J25Z be used in high-frequency applications?

    • While the 2N3904_J25Z has limited high-frequency performance, it can still be used in moderate frequency applications up to a few megahertz.

  8. What are some common alternatives to the 2N3904_J25Z transistor?

    • Common alternatives include the 2N2222, BC547, and BC548 transistors, which have similar characteristics and can be used in similar applications.

  9. Are there any specific thermal considerations when using the 2N3904_J25Z in a circuit?

    • It's important to consider the power dissipation of the 2N3904_J25Z and ensure that it remains within its specified limits to prevent overheating.

  10. Where can I find detailed datasheets and application notes for the 2N3904_J25Z?

    • Datasheets and application notes for the 2N3904_J25Z can be found on semiconductor manufacturer websites, distributor websites, or electronics component databases.

I hope these questions and answers provide helpful information for your technical solutions involving the 2N3904_J25Z transistor. Let me know if you need further assistance!