ON Semiconductor
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2N4126TAR
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2N4126TAR

Product Overview

Category:

The 2N4126TAR belongs to the category of bipolar junction transistors (BJTs).

Use:

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

Characteristics:

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

Package:

The 2N4126TAR 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 or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector-Base Voltage: 50V
  • Maximum Emitter-Base Voltage: 5V
  • Continuous Collector Current: 200mA
  • Power Dissipation: 625mW
  • Transition Frequency: 100MHz

Detailed Pin Configuration

The 2N4126TAR has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • Amplification of weak signals
  • Switching high-power loads
  • Compatibility with low-voltage control circuits

Advantages

  • Versatile application in both amplification and switching circuits
  • Low power dissipation
  • High current gain

Disadvantages

  • Limited maximum voltage and current ratings compared to other transistors
  • Relatively lower transition frequency

Working Principles

The 2N4126TAR operates based on the principles of controlling current flow through its three terminals to amplify or switch electronic signals.

Detailed Application Field Plans

Audio Amplification

The transistor can be used in audio amplifiers to boost weak audio signals for speakers or headphones.

Signal Switching

It can be employed in electronic switches to control the flow of signals in various electronic devices.

Oscillator Circuits

The transistor can also be utilized in oscillator circuits to generate periodic waveforms for applications such as clock signals.

Detailed and Complete Alternative Models

  • 2N3904
  • BC547
  • 2N2222
  • BC548

In conclusion, the 2N4126TAR is a versatile BJT with applications in amplification, switching, and oscillation circuits. Its characteristics make it suitable for a wide range of electronic designs, although designers should consider its limitations when selecting alternative models for specific applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 2N4126TAR v technických řešeních

Sure, here are 10 common questions and answers related to the application of 2N4126TAR in technical solutions:

  1. What is the 2N4126TAR transistor used for?

    • The 2N4126TAR is a general-purpose PNP bipolar junction transistor (BJT) commonly used for amplification and switching applications.

  2. What are the key specifications of the 2N4126TAR?

    • The 2N4126TAR has a maximum collector current (Ic) of 200mA, a maximum collector-emitter voltage (Vce) of 25V, and a maximum power dissipation (Pd) of 625mW.

  3. How can I use the 2N4126TAR for amplification?

    • The 2N4126TAR can be used in common emitter or common collector amplifier configurations to amplify small signals.

  4. Can the 2N4126TAR be used for switching applications?

    • Yes, the 2N4126TAR can be used as a switch to control larger currents or voltages by using it in saturation and cutoff regions.

  5. What are the typical operating conditions for the 2N4126TAR?

    • The 2N4126TAR is typically operated at a collector current (Ic) of around 10-100mA and a collector-emitter voltage (Vce) of a few volts.

  6. How do I connect the 2N4126TAR in a circuit?

    • The 2N4126TAR is typically connected with its emitter to the ground, its base to the input signal or control voltage, and its collector to the output or load.

  7. What are some common alternatives to the 2N4126TAR?

    • Some common alternatives to the 2N4126TAR include the 2N3906, BC557, and BC558 transistors.

  8. Can the 2N4126TAR be used in high-frequency applications?

    • The 2N4126TAR has limited frequency response and may not be suitable for high-frequency applications beyond a few megahertz.

  9. Are there any special considerations when using the 2N4126TAR in temperature-sensitive environments?

    • The 2N4126TAR's performance may vary with temperature, so thermal management should be considered in high-temperature environments.

  10. Where can I find detailed datasheets and application notes for the 2N4126TAR?

    • Detailed datasheets and application notes for the 2N4126TAR can be found on semiconductor manufacturer websites or electronics component distributors' platforms.