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BC548BTFR
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BC548BTFR

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: NPN bipolar junction transistor, low power, high voltage, medium current
Package: TO-92
Essence: Small signal amplification
Packaging/Quantity: Typically available in reels of 2000 units

Specifications

  • Collector-Emitter Voltage (VCEO): 30V
  • Collector-Base Voltage (VCBO): 30V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA
  • Power Dissipation (PD): 500mW
  • Transition Frequency (fT): 300MHz
  • Operating Temperature: -55°C to 150°C

Detailed Pin Configuration

  1. Emitter (E)
  2. Base (B)
  3. Collector (C)

Functional Features

  • High current gain
  • Low noise
  • Suitable for audio amplification and signal processing circuits

Advantages and Disadvantages

Advantages: - Versatile applications - Low cost - Easy to use

Disadvantages: - Limited power handling capability - Susceptible to temperature variations

Working Principles

The BC548BTFR operates as a current-controlled switch or amplifier. When a small current flows into the base, it controls a larger current flow between the collector and emitter, allowing it to amplify signals or act as a switch in electronic circuits.

Detailed Application Field Plans

  1. Audio Amplification: Used in audio amplifiers and preamplifiers due to its low noise characteristics.
  2. Signal Processing: Employed in signal processing circuits such as oscillators and waveform generators.
  3. Switching Circuits: Utilized in low-power switching applications like relay drivers and LED flashers.

Detailed and Complete Alternative Models

  1. 2N3904
  2. 2N2222
  3. BC547B
  4. BC549C
  5. BC337

Note: The alternatives listed above are similar NPN transistors with comparable characteristics and package types.

This comprehensive entry provides an in-depth understanding of the BC548BTFR transistor, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BC548BTFR trong giải pháp kỹ thuật

  1. What is the BC548BTFR transistor used for?

    • The BC548BTFR is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the typical operating conditions for the BC548BTFR?

    • The BC548BTFR operates at a maximum collector current of 100mA, with a maximum collector-emitter voltage of 30V.

  3. Can the BC548BTFR be used for audio amplification?

    • Yes, the BC548BTFR can be used for small-signal audio amplification due to its low noise and high gain characteristics.

  4. How do I identify the pinout of the BC548BTFR transistor?

    • The pinout of the BC548BTFR is typically Emitter (E), Base (B), and Collector (C) when viewing the flat side with the leads pointing downward.

  5. What are some common circuit configurations using the BC548BTFR?

    • The BC548BTFR is commonly used in common-emitter and common-collector amplifier configurations, as well as in switching applications.

  6. What are the typical gain characteristics of the BC548BTFR?

    • The BC548BTFR has a typical DC current gain (hFE) ranging from 110 to 800, making it suitable for various amplification tasks.

  7. Can the BC548BTFR be used in low-power switching applications?

    • Yes, the BC548BTFR is suitable for low-power switching applications such as driving small relays or LEDs.

  8. What are the temperature considerations for the BC548BTFR?

    • The BC548BTFR has a maximum operating temperature of 150°C, so thermal management may be necessary in high-temperature environments.

  9. Are there any common alternatives to the BC548BTFR?

    • Common alternatives to the BC548BTFR include the 2N3904 and 2N2222 transistors, which have similar characteristics and can be used in its place.

  10. Where can I find detailed specifications and application notes for the BC548BTFR?

    • Detailed specifications and application notes for the BC548BTFR can be found in the datasheets provided by semiconductor manufacturers or distributors.