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BC847C/SNR
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BC847C/SNR

Product Overview

Category: Transistor
Use: Amplification and switching applications
Characteristics: Small signal NPN transistor, high current gain, low voltage drop
Package: SOT-23
Essence: Small signal amplification and switching
Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Collector-Base Voltage (VCBO): 50V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (PD): 250mW
  • Transition Frequency (fT): 200MHz
  • 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 saturation voltage
  • Fast switching speed
  • Small package size

Advantages and Disadvantages

Advantages: - High current gain allows for small input signals to control large output currents - Low voltage drop minimizes power dissipation - Fast switching speed enables rapid on/off transitions

Disadvantages: - Limited collector current compared to power transistors - Sensitive to temperature variations

Working Principles

The BC847C/SNR is a small signal NPN transistor that operates by amplifying small input signals or controlling the flow of current in a circuit. When a small current flows into the base terminal, it controls a much larger current flowing between the collector and emitter terminals.

Detailed Application Field Plans

  1. Audio Amplification: Used in audio amplifiers to amplify small input signals from microphones or musical instruments.
  2. Switching Circuits: Employed in digital logic circuits to switch between high and low states.
  3. Sensor Interfaces: Utilized in sensor interfaces to amplify weak signals from sensors.

Detailed and Complete Alternative Models

  1. BC846B/SNR: Similar characteristics, lower transition frequency
  2. BC848C/SNR: Higher transition frequency, similar package and pin configuration
  3. 2N3904: Commonly used alternative with comparable specifications

1100 words required.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BC847C/SNR en soluciones técnicas

  1. What is the BC847C/SNR transistor used for?

    • The BC847C/SNR is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the BC847C/SNR transistor?

    • The BC847C/SNR transistor typically has a maximum collector current of 100mA, a maximum collector-emitter voltage of 45V, and a maximum power dissipation of 250mW.

  3. Can the BC847C/SNR be used for audio amplification?

    • Yes, the BC847C/SNR can be used for small-signal audio amplification due to its low noise and high gain characteristics.

  4. Is the BC847C/SNR suitable for digital logic level shifting?

    • Yes, the BC847C/SNR can be used for level shifting in digital circuits due to its ability to act as a switch and handle moderate currents.

  5. What are the typical applications of the BC847C/SNR in technical solutions?

    • The BC847C/SNR is commonly used in audio amplifiers, signal processing circuits, voltage regulators, and general purpose switching circuits.

  6. Does the BC847C/SNR require any specific biasing configuration?

    • The BC847C/SNR can be biased using common emitter or common base configurations depending on the specific application requirements.

  7. What are the temperature considerations for the BC847C/SNR?

    • The BC847C/SNR has a wide operating temperature range, typically from -55°C to 150°C, making it suitable for various environmental conditions.

  8. Can the BC847C/SNR be used in low-power battery-operated devices?

    • Yes, the BC847C/SNR's low power dissipation and moderate current handling make it suitable for use in low-power portable devices.

  9. Are there any common alternatives to the BC847C/SNR transistor?

    • Common alternatives to the BC847C/SNR include the BC547, 2N2222, and 2N3904 transistors, which have similar characteristics and can be used in its place in many applications.

  10. What are the typical packaging options available for the BC847C/SNR?

    • The BC847C/SNR is available in various surface mount and through-hole packages, including SOT-23, SOT-323, and SOT-416, providing flexibility for different PCB designs and assembly processes.