ON Semiconductor
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BC846AWT1
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BC846AWT1

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: Small signal NPN transistor, low power dissipation, high current gain
Package: SOT-323
Essence: Small-signal general purpose amplifier
Packaging/Quantity: Tape & Reel, 3000 per reel

Specifications

  • Collector-Base Voltage (VCBO): 80V
  • Collector-Emitter Voltage (VCEO): 65V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (PD): 250mW
  • Transition Frequency (fT): 100MHz
  • 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 voltage drop
  • Fast switching speed
  • Low noise

Advantages

  • Versatile small-signal amplifier
  • Suitable for a wide range of applications
  • Compact SOT-323 package

Disadvantages

  • Limited power dissipation capability
  • Relatively low collector current rating

Working Principles

The BC846AWT1 is a small-signal NPN transistor designed for general-purpose amplification and switching applications. It operates by controlling the flow of current between the collector and emitter terminals using a small current at the base terminal.

Detailed Application Field Plans

  1. Audio Amplification: Used in audio amplifiers and preamplifiers due to its high current gain and low noise characteristics.
  2. Switching Circuits: Employed in various electronic switches and digital logic circuits due to its fast switching speed.
  3. Sensor Interfaces: Utilized in sensor interface circuits for amplifying and conditioning weak sensor signals.

Detailed and Complete Alternative Models

  1. BC847AWT1: Similar specifications with a different pin configuration
  2. 2N3904: Comparable NPN transistor with higher power dissipation capability
  3. BC337: General-purpose NPN transistor with higher collector current rating

In conclusion, the BC846AWT1 is a versatile small-signal NPN transistor suitable for a wide range of amplification and switching applications. Its compact SOT-323 package and high current gain make it an ideal choice for space-constrained electronic designs. However, its limited power dissipation and collector current ratings should be considered when selecting this transistor for specific applications.

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10个与BC846AWT1在技术解决方案中的应用相关的常见问题及解答

  1. What is the BC846AWT1 transistor used for?

    • The BC846AWT1 is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.

  2. What are the key features of the BC846AWT1?

    • The BC846AWT1 features low voltage, high current capability, and low saturation voltage, making it suitable for various low-power applications.

  3. What are the typical applications of the BC846AWT1?

    • Typical applications include amplification stages, switching circuits, signal processing, and voltage regulation in low-power electronic devices.

  4. What are the electrical characteristics of the BC846AWT1?

    • The BC846AWT1 has a maximum collector current of 100mA, a maximum collector-emitter voltage of 65V, and a DC current gain (hFE) ranging from 110 to 800.

  5. Can the BC846AWT1 be used in audio amplifier circuits?

    • Yes, the BC846AWT1 can be used in low-power audio amplifier circuits due to its low noise and high current gain characteristics.

  6. Is the BC846AWT1 suitable for battery-powered applications?

    • Yes, the BC846AWT1's low voltage and high current capability make it well-suited for battery-powered applications where power efficiency is crucial.

  7. What are the recommended operating conditions for the BC846AWT1?

    • The recommended operating temperature range is -55°C to 150°C, with a maximum power dissipation of 250mW.

  8. Can the BC846AWT1 be used in switching power supply designs?

    • Yes, the BC846AWT1 can be used in low-power switching power supply designs due to its fast switching speed and low saturation voltage.

  9. Are there any specific layout considerations when using the BC846AWT1?

    • It is important to minimize lead lengths and keep input and output traces short to reduce parasitic effects and ensure stable performance.

  10. Where can I find detailed information about the BC846AWT1 for my technical solution?

    • Detailed information, including datasheets and application notes, can be found on the manufacturer's website or through authorized distributors.