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BC856A-HF
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BC856A-HF

Product Overview

Category

The BC856A-HF belongs to the category of small signal transistors.

Use

It is commonly used for amplification and switching of electronic signals in various applications.

Characteristics

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

Package

The BC856A-HF is typically available in a SOT-23 package.

Essence

This transistor is essential for electronic circuit design, especially in low-power applications.

Packaging/Quantity

It is usually supplied in reels with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 80V
  • Collector-Emitter Voltage (VCEO): 65V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA
  • Total Power Dissipation (PTOT): 250mW
  • Transition Frequency (fT): 150MHz

Detailed Pin Configuration

The BC856A-HF has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High current gain
  • Low saturation voltage
  • Fast switching speed

Advantages

  • Small form factor
  • Suitable for low-power applications
  • Wide voltage and frequency range

Disadvantages

  • Limited maximum current and voltage ratings
  • Sensitive to temperature variations

Working Principles

The BC856A-HF operates based on the principles of bipolar junction transistors, where the control of current between the collector and emitter is achieved by modulating the base current.

Detailed Application Field Plans

The BC856A-HF is widely used in: - Audio amplifiers - Signal processing circuits - Sensor interfaces - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the BC856A-HF include: - BC846A - BC847A - BC857A

In conclusion, the BC856A-HF is a versatile small signal transistor with a wide range of applications in electronic circuit design. Its compact size and high performance make it an ideal choice for low-power amplification and switching needs.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de BC856A-HF em soluções técnicas

  1. What is the maximum collector current of BC856A-HF?

    • The maximum collector current of BC856A-HF is 100mA.

  2. What is the typical hFE (DC current gain) of BC856A-HF?

    • The typical hFE of BC856A-HF is 200-450 at a collector current of 2mA.

  3. What is the maximum power dissipation of BC856A-HF?

    • The maximum power dissipation of BC856A-HF is 250mW.

  4. What are the typical applications for BC856A-HF?

    • BC856A-HF is commonly used in audio amplification, switching circuits, and general purpose amplification.

  5. What is the voltage rating for BC856A-HF?

    • The maximum collector-base voltage (VCBO) is 80V and the maximum emitter-base voltage (VEBO) is 5V.

  6. Is BC856A-HF suitable for low noise amplifier designs?

    • Yes, BC856A-HF is suitable for low noise amplifier designs due to its low noise characteristics.

  7. Does BC856A-HF have a high transition frequency (fT)?

    • Yes, BC856A-HF has a high transition frequency, typically around 150MHz.

  8. What is the package type for BC856A-HF?

    • BC856A-HF is available in a SOT-23 surface mount package.

  9. Can BC856A-HF be used in high-frequency applications?

    • Yes, BC856A-HF can be used in high-frequency applications due to its high transition frequency and low capacitance.

  10. Are there any recommended alternative transistors to BC856A-HF?

    • Some recommended alternatives to BC856A-HF include BC846A-HF, BC847A-HF, and BC848A-HF, which are part of the same series with varying hFE and voltage ratings.