ON Semiconductor
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BC548
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BC548 Transistor

Product Overview

Category

The BC548 is a general-purpose NPN bipolar junction transistor (BJT).

Use

It is commonly used for amplification and switching purposes in electronic circuits.

Characteristics

  • Low power, low noise amplifier
  • High current gain
  • Medium voltage rating
  • Small signal transistor

Package

The BC548 is typically available in a TO-92 package.

Essence

The essence of the BC548 lies in its versatility and reliability in various electronic applications.

Packaging/Quantity

The BC548 is usually sold in reels or tubes containing multiple units.

Specifications

  • Collector-Emitter Voltage (VCEO): 30V
  • Collector-Base Voltage (VCBO): 30V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA
  • Power Dissipation (Ptot): 500mW
  • Transition Frequency (ft): 150MHz

Detailed Pin Configuration

The BC548 transistor has three pins: 1. Base (B) 2. Collector (C) 3. Emitter (E)

Functional Features

The BC548 transistor offers the following functional features: - High current gain (hFE) - Low noise amplification - Reliable switching capabilities

Advantages

  • Versatile usage in various electronic circuits
  • High current gain makes it suitable for amplification
  • Low noise characteristics make it ideal for audio applications

Disadvantages

  • Limited voltage and current ratings compared to other transistors
  • Not suitable for high-power applications

Working Principles

The BC548 operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the current at the base terminal.

Detailed Application Field Plans

The BC548 transistor finds applications in various electronic circuits, including: - Audio amplifiers - Signal amplification stages - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the BC548 include: - 2N3904 - BC547 - 2N2222

In conclusion, the BC548 transistor is a versatile and reliable component widely used in electronic circuits for amplification and switching purposes. Its low power, low noise characteristics, and high current gain make it suitable for a wide range of applications in the field of electronics.

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  1. What is the pin configuration of BC548?

    • The pin configuration of BC548 is Emitter (E), Base (B), and Collector (C).

  2. What are the typical applications of BC548 transistor?

    • BC548 transistors are commonly used in amplification, switching, and oscillator circuits.

  3. What is the maximum collector current (IC) rating for BC548?

    • The maximum collector current (IC) rating for BC548 is 100mA.

  4. What is the maximum collector-emitter voltage (VCE) for BC548?

    • The maximum collector-emitter voltage (VCE) for BC548 is 30V.

  5. Can BC548 be used as a switch?

    • Yes, BC548 can be used as a switch in low-power applications.

  6. What are the typical gain values for BC548?

    • The typical DC current gain (hFE) for BC548 ranges from 110 to 800.

  7. Is BC548 suitable for audio amplifier applications?

    • Yes, BC548 can be used in low-power audio amplifier circuits.

  8. What are the temperature specifications for BC548?

    • The operating temperature range for BC548 is typically -65°C to 150°C.

  9. Can BC548 be used in high-frequency applications?

    • BC548 is not suitable for high-frequency applications due to its limited frequency response.

  10. Are there any common alternative transistors to BC548?

    • Common alternative transistors to BC548 include 2N3904, 2N2222, and PN2222.