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2N4864

2N4864 Transistor

Product Overview

The 2N4864 is a bipolar junction transistor (BJT) belonging to the category of small-signal transistors. It is commonly used for amplification and switching applications due to its high gain and low noise characteristics. The transistor is typically packaged in a TO-92 package, which contains three leads for connection. Its essence lies in its ability to control current flow and amplify signals in electronic circuits. The packaging usually includes quantities of 100 or more units.

Specifications

  • Maximum Collector-Emitter Voltage: 40V
  • Maximum Collector-Base Voltage: 40V
  • Maximum Emitter-Base Voltage: 5V
  • Continuous Collector Current: 0.1A
  • Power Dissipation: 625mW
  • Transition Frequency: 250MHz
  • Operating Temperature Range: -65°C to 200°C

Detailed Pin Configuration

The 2N4864 transistor has three pins: the emitter (E), base (B), and collector (C). In the TO-92 package, the pin configuration is as follows: - Emitter (E): Pin 1 - Base (B): Pin 2 - Collector (C): Pin 3

Functional Features

The 2N4864 transistor offers high current gain, low noise, and excellent linearity, making it suitable for use in audio amplifiers, oscillators, and low-frequency signal processing circuits. Its compact size and robust construction make it suitable for various electronic applications.

Advantages and Disadvantages

Advantages

  • High current gain
  • Low noise
  • Compact size
  • Suitable for low-frequency applications

Disadvantages

  • Limited power handling capability
  • Relatively low transition frequency

Working Principles

The 2N4864 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. By modulating the base current, the transistor can amplify or switch electronic signals with high efficiency.

Detailed Application Field Plans

The 2N4864 transistor finds extensive use in the following application fields: - Audio amplifiers - Oscillators - Low-frequency signal processing circuits - Switching circuits

Detailed and Complete Alternative Models

Some alternative models to the 2N4864 transistor include: - 2N4401 - 2N2222 - BC547 - BC548 - BC337

In conclusion, the 2N4864 transistor is a versatile component that finds widespread use in amplification and switching applications within electronic circuits. Its high gain, low noise characteristics, and compact size make it a popular choice among electronics enthusiasts and professionals alike.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 2N4864 in technische oplossingen

  1. Question: What is the 2N4864 transistor used for?
    Answer: The 2N4864 is a high-frequency NPN transistor commonly used in RF amplification and oscillator circuits.

  2. Question: What are the typical operating conditions for the 2N4864 transistor?
    Answer: The 2N4864 operates at a maximum collector-base voltage of 15V and a maximum collector current of 50mA.

  3. Question: Can the 2N4864 be used in low-noise amplifier designs?
    Answer: Yes, the 2N4864 is suitable for low-noise amplifier applications due to its low noise figure and high gain characteristics.

  4. Question: What are the key features of the 2N4864 transistor?
    Answer: The 2N4864 features high transition frequency (ft) and low feedback capacitance, making it ideal for high-frequency applications.

  5. Question: Is the 2N4864 suitable for use in VHF/UHF circuits?
    Answer: Yes, the 2N4864 is well-suited for VHF/UHF applications such as RF amplifiers and mixers.

  6. Question: What are the recommended biasing configurations for the 2N4864?
    Answer: Common biasing configurations include fixed bias, emitter bias, and self-bias, depending on the specific application requirements.

  7. Question: Can the 2N4864 be used in push-pull amplifier designs?
    Answer: Yes, the 2N4864 can be employed in push-pull amplifier configurations to achieve higher output power and improved linearity.

  8. Question: Are there any thermal considerations when using the 2N4864 in high-power applications?
    Answer: It's important to consider proper heat sinking and thermal management when using the 2N4864 in high-power RF amplifier designs to ensure reliable operation.

  9. Question: What are the typical package options available for the 2N4864?
    Answer: The 2N4864 is commonly available in TO-39 metal can packages and surface-mount SOT-23 packages.

  10. Question: Can the 2N4864 be used in frequency multiplier circuits?
    Answer: Yes, the 2N4864 can be utilized in frequency multiplier circuits to generate harmonics and achieve frequency multiplication in RF systems.