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2SC3979
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2SC3979 Transistor

Product Overview

Category:

The 2SC3979 is a high-frequency transistor belonging to the category of electronic components.

Use:

It is commonly used in radio frequency (RF) amplification and high-frequency applications.

Characteristics:

  • High-frequency operation
  • Low noise figure
  • High gain

Package:

The 2SC3979 is typically available in a small, discrete package suitable for surface mount technology (SMT).

Essence:

This transistor is essential for amplifying high-frequency signals with low noise and high gain.

Packaging/Quantity:

The 2SC3979 is usually supplied in reels or tubes containing a specific quantity per package, typically ranging from 100 to 1000 units.

Specifications

  • Maximum Collector-Base Voltage:
  • Maximum Collector-Emitter Voltage:
  • Maximum Emitter-Base Voltage:
  • Collector Current:
  • Total Power Dissipation:
  • Operating Frequency Range:

Detailed Pin Configuration

The 2SC3979 transistor typically consists of three pins: the collector, base, and emitter. The pin configuration is as follows: - Collector (C): - Base (B): - Emitter (E):

Functional Features

The 2SC3979 offers the following functional features: - High-frequency signal amplification - Low noise figure - High gain

Advantages

  • Suitable for high-frequency applications
  • Low noise performance
  • Compact package size

Disadvantages

  • Limited power handling capability
  • Sensitive to voltage spikes

Working Principles

The 2SC3979 operates based on the principles of bipolar junction transistors, where the input signal at the base terminal controls the flow of current between the collector and emitter terminals, resulting in signal amplification.

Detailed Application Field Plans

The 2SC3979 is widely used in the following application fields: - RF amplifiers - Oscillators - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the 2SC3979 include: - 2N5109 - MRF947T - BFU520X

In conclusion, the 2SC3979 transistor is a crucial component in high-frequency amplification and RF applications, offering low noise and high gain characteristics. Its compact package and functional features make it suitable for various communication and electronic equipment.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 2SC3979 i tekniska lösningar

  1. What is 2SC3979?

    • 2SC3979 is a high-frequency transistor commonly used in RF and microwave applications.

  2. What are the key specifications of 2SC3979?

    • The key specifications include a maximum collector current of 50mA, a maximum power dissipation of 300mW, and a frequency range of up to 6GHz.

  3. What are the typical applications of 2SC3979?

    • 2SC3979 is often used in RF amplifiers, oscillators, mixers, and other high-frequency circuitry.

  4. What are the recommended operating conditions for 2SC3979?

    • It is typically operated at a collector-emitter voltage (Vce) of around 5V and a collector current (Ic) of around 10-20mA.

  5. What are the common package types for 2SC3979?

    • 2SC3979 is available in various package types such as TO-92, SOT-23, and surface-mount packages.

  6. What are the typical gain and noise figure characteristics of 2SC3979?

    • The typical gain can range from 10dB to 20dB, and the noise figure can be around 2dB to 4dB, depending on the specific circuit configuration.

  7. How does 2SC3979 compare to other similar transistors in terms of performance?

    • Compared to similar transistors, 2SC3979 offers good high-frequency performance and low noise characteristics, making it suitable for many RF applications.

  8. What are the best practices for designing circuits using 2SC3979?

    • Best practices include proper impedance matching, careful consideration of biasing and stability, and attention to thermal management due to its high-frequency operation.

  9. Are there any known limitations or sensitivities of 2SC3979?

    • While 2SC3979 is a versatile transistor, it may exhibit some sensitivity to voltage spikes and ESD, requiring appropriate protection measures in circuit design.

  10. Where can I source 2SC3979 transistors for my project?

    • 2SC3979 transistors can be sourced from various electronic component distributors, both online and offline, and may also be available from manufacturers directly.