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2N3904_D28Z
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2N3904_D28Z

Product Overview

Category:

The 2N3904_D28Z belongs to the category of NPN bipolar junction transistors (BJTs).

Use:

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

Characteristics:

  • Low power, high voltage
  • Fast switching speed
  • Small signal amplification

Package:

The 2N3904_D28Z is typically available in a TO-92 package.

Essence:

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

Packaging/Quantity:

It 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

Detailed Pin Configuration

The 2N3904_D28Z has three pins: the emitter, base, and collector. The pinout configuration is as follows: - Emitter (E) - Pin 1 - Base (B) - Pin 2 - Collector (C) - Pin 3

Functional Features

  • Amplification of small signals
  • Switching capability for low-power applications
  • Compatibility with various circuit designs

Advantages and Disadvantages

Advantages

  • Versatile usage in amplification and switching circuits
  • Cost-effective
  • Widely available

Disadvantages

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

Working Principles

The 2N3904_D28Z operates based on the principles of amplification and control of current flow through its three terminals. When biased correctly, it allows for controlled amplification or switching of electronic signals.

Detailed Application Field Plans

Audio Amplification

The transistor can be used in audio amplifier circuits to boost weak audio signals.

Signal Switching

It can serve as a switch in low-power signal switching applications, such as in logic circuits.

Oscillator Circuits

The transistor can be utilized in oscillator circuits for generating periodic waveforms.

Detailed and Complete Alternative Models

Some alternative models to the 2N3904_D28Z include: - BC547 - 2N2222 - PN2222

In conclusion, the 2N3904_D28Z NPN transistor offers a cost-effective and versatile solution for amplification and switching applications in electronic circuits. Its compact size and compatibility with various circuit designs make it a popular choice among electronics enthusiasts and professionals alike.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 2N3904_D28Z dalam solusi teknis

  1. What is the 2N3904_D28Z transistor used for?

    • The 2N3904_D28Z is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the typical operating conditions for the 2N3904_D28Z?

    • The 2N3904_D28Z typically operates at a maximum collector current of 200mA, with a maximum collector-emitter voltage of 40V.

  3. How do I determine the pinout of the 2N3904_D28Z transistor?

    • The pinout of the 2N3904_D28Z transistor is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.

  4. Can the 2N3904_D28Z be used for audio amplification?

    • Yes, the 2N3904_D28Z can be used for small-signal audio amplification in low-power applications.

  5. What are some common circuit configurations using the 2N3904_D28Z?

    • Common circuit configurations include common emitter amplifiers, switch circuits, and oscillator circuits.

  6. What are the typical gain characteristics of the 2N3904_D28Z?

    • The 2N3904_D28Z has a typical DC current gain (hFE) ranging from 100 to 300, depending on the operating conditions.

  7. What are the thermal considerations for the 2N3904_D28Z?

    • It is important to consider proper heat sinking or thermal management for the 2N3904_D28Z when operating at higher currents to prevent overheating.

  8. Can the 2N3904_D28Z be used in high-frequency applications?

    • While the 2N3904_D28Z has limitations at very high frequencies, it can still be used in moderate frequency applications such as audio and lower RF frequencies.

  9. Are there any common failure modes for the 2N3904_D28Z?

    • Common failure modes include thermal runaway at high currents and breakdown due to excessive voltage stress.

  10. What are some alternative transistors to the 2N3904_D28Z?

    • Alternative transistors with similar characteristics include the 2N2222, BC547, and BC548. Always refer to the datasheets for specific comparisons and suitability for your application.