Taiwan Semiconductor Corporation
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BC858B RFG
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BC858B RFG

Product Overview

Category

The BC858B RFG 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 figure

Package

The BC858B RFG is typically available in a SOT-23 package.

Essence

This transistor is essential for low-power, high-gain signal amplification and switching applications.

Packaging/Quantity

The BC858B RFG is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Emitter Voltage (VCEO): 30V
  • Collector Current (IC): 100mA
  • Total Power Dissipation (PTOT): 250mW
  • Transition Frequency (fT): 150MHz

Detailed Pin Configuration

The BC858B RFG has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • High current gain
  • Low noise performance
  • Suitable for low-power applications

Advantages

  • Small form factor
  • Low power dissipation
  • High transition frequency

Disadvantages

  • Limited collector-emitter voltage rating
  • Moderate collector current capability

Working Principles

The BC858B RFG operates based on the principles of bipolar junction transistors, utilizing the control of current flow between its terminals to amplify or switch electronic signals.

Detailed Application Field Plans

The BC858B RFG is widely used in: - Audio amplifiers - Signal processing circuits - Switching applications in consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the BC858B RFG include: - BC847B - BC846B - 2N3904

In conclusion, the BC858B RFG is a versatile small-signal transistor with characteristics suitable for various low-power electronic applications. Its compact size, high current gain, and low power dissipation make it an ideal choice for amplification and switching needs in modern electronic designs.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de BC858B RFG em soluções técnicas

  1. What is BC858B RFG?

    • BC858B RFG is a general-purpose PNP transistor commonly used in electronic circuits for amplification and switching applications.

  2. What are the key specifications of BC858B RFG?

    • The key specifications of BC858B RFG include a maximum collector current of 100mA, a maximum collector-emitter voltage of 30V, and a maximum power dissipation of 200mW.

  3. What are the typical applications of BC858B RFG?

    • BC858B RFG is commonly used in audio amplification, signal amplification, and low-power switching applications in various electronic devices.

  4. Can BC858B RFG be used in high-frequency applications?

    • Yes, BC858B RFG is suitable for use in radio frequency (RF) circuits and other high-frequency applications due to its fast switching characteristics.

  5. What are the recommended operating conditions for BC858B RFG?

    • The recommended operating conditions for BC858B RFG include a maximum collector current of 100mA, a maximum collector-emitter voltage of 30V, and an operating temperature range of -55°C to 150°C.

  6. Is BC858B RFG suitable for battery-powered devices?

    • Yes, BC858B RFG's low power dissipation makes it suitable for use in battery-powered devices where power efficiency is important.

  7. Can BC858B RFG be used in audio amplifier circuits?

    • Yes, BC858B RFG is commonly used in low-power audio amplifier circuits due to its small size and low power consumption.

  8. What are the alternatives to BC858B RFG?

    • Some alternatives to BC858B RFG include BC857B, BC859B, and BC860B, which are also PNP transistors with similar characteristics.

  9. Does BC858B RFG require any special heat sinking or mounting considerations?

    • BC858B RFG does not typically require special heat sinking or mounting considerations for most low-power applications due to its moderate power dissipation.

  10. Where can I find detailed technical information about BC858B RFG?

    • Detailed technical information about BC858B RFG can be found in the datasheet provided by the manufacturer or on their official website.