ON Semiconductor
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BC547ARL1G
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BC547ARL1G

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: Small signal NPN bipolar junction transistor
Package: SOT-23
Essence: General-purpose amplifier
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Collector-Emitter Voltage (VCEO): 45V
  • Collector-Base Voltage (VCBO): 50V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (PD): 250mW
  • DC Current Gain (hFE): 110-800
  • Transition Frequency (fT): 300MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

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

Functional Features

  • High current gain
  • Low noise
  • Wide dynamic range
  • Fast switching speed

Advantages and Disadvantages

Advantages: - Versatile applications - Small package size - Low cost

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

Working Principles

The BC547ARL1G operates as a current-controlled switch or amplifier. In amplification, a small current at the base terminal controls a larger current flow between the collector and emitter terminals. In switching applications, the transistor can be turned on or off by controlling the base current.

Detailed Application Field Plans

  1. Audio amplification in portable devices
  2. Signal amplification in sensor circuits
  3. Switching applications in digital logic circuits
  4. Oscillator circuits in radio frequency applications

Detailed and Complete Alternative Models

  1. BC548
  2. 2N2222
  3. 2N3904
  4. 2N4401
  5. PN2222A

This comprehensive entry provides an in-depth understanding of the BC547ARL1G transistor, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BC547ARL1G v technických řešeních

  1. What is the BC547ARL1G transistor used for?

    • The BC547ARL1G 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 BC547ARL1G?

    • The BC547ARL1G operates within a voltage range of 45V and a current range of 100mA, making it suitable for low to medium power applications.

  3. How do I identify the pinout of the BC547ARL1G transistor?

    • The pinout of the BC547ARL1G is typically Emitter (E), Base (B), and Collector (C). When viewing the flat side with the pins down, the leftmost pin is the emitter, the middle pin is the base, and the rightmost pin is the collector.

  4. Can the BC547ARL1G be used for audio amplification?

    • Yes, the BC547ARL1G can be used for small signal amplification in audio circuits, such as preamplifiers and headphone amplifiers.

  5. What are some common alternatives to the BC547ARL1G?

    • Common alternatives to the BC547ARL1G include the 2N2222, 2N3904, and PN2222A transistors, which have similar characteristics and can be used in its place in many circuits.

  6. Is the BC547ARL1G suitable for high-frequency applications?

    • While the BC547ARL1G can operate at moderate frequencies, it is not ideal for high-frequency applications due to its transition frequency and capacitance characteristics.

  7. What are the typical gain characteristics of the BC547ARL1G?

    • The BC547ARL1G has a typical DC current gain (hFE) ranging from 110 to 800, making it suitable for various amplification needs.

  8. Can the BC547ARL1G be used in switching applications?

    • Yes, the BC547ARL1G can be used for low-power switching applications, such as driving small relays or controlling LEDs.

  9. What are the thermal considerations for the BC547ARL1G?

    • The BC547ARL1G has a maximum junction temperature of 150°C, so proper heat sinking should be considered for high-power applications to ensure reliability.

  10. Where can I find detailed specifications and application notes for the BC547ARL1G?

    • Detailed specifications and application notes for the BC547ARL1G can be found in the datasheet provided by the manufacturer, which includes information on electrical characteristics, recommended operating conditions, and example circuits.