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BC847B/SNR
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BC847B/SNR

Product Overview

Category: Transistor
Use: Amplification and switching applications
Characteristics: High current gain, low voltage drop
Package: SOT-23
Essence: Small signal NPN transistor
Packaging/Quantity: Reel of 3000 units

Specifications

  • Collector-Base Voltage (VCBO): 50V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (Ptot): 250mW
  • Transition Frequency (fT): 270MHz

Detailed Pin Configuration

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

Functional Features

  • High current gain
  • Low saturation voltage
  • Fast switching speed

Advantages and Disadvantages

Advantages: - Small package size - Suitable for high-density PCB designs - Wide operating temperature range

Disadvantages: - Limited power dissipation capability - Relatively low collector current rating

Working Principles

The BC847B/SNR is a small signal NPN transistor that operates by amplifying small variations in input current to produce larger variations in output current. It can also be used as a switch, allowing or blocking the flow of current based on the input signal.

Detailed Application Field Plans

The BC847B/SNR is commonly used in audio amplifiers, signal processing circuits, and general purpose switching applications. Its small size and high current gain make it suitable for portable electronic devices and compact designs where space is limited.

Detailed and Complete Alternative Models

  • BC846B/SNR
  • BC848B/SNR
  • 2N3904
  • 2N2222A
  • 2N4401

Note: The above information provides a comprehensive overview of the BC847B/SNR transistor, including its specifications, features, applications, and alternative models.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BC847B/SNR i tekniske løsninger

  1. What is the BC847B/SNR transistor used for?

    • The BC847B/SNR 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 BC847B/SNR?

    • The BC847B/SNR operates under a maximum collector current of 100mA, with a maximum collector-emitter voltage of 45V.

  3. Can the BC847B/SNR be used for audio amplification?

    • Yes, the BC847B/SNR can be used for small-signal audio amplification in low-power applications.

  4. What are the key characteristics of the BC847B/SNR?

    • The BC847B/SNR has high current gain, low saturation voltage, and low noise, making it suitable for various amplification and switching tasks.

  5. Is the BC847B/SNR suitable for use in digital logic circuits?

    • Yes, the BC847B/SNR can be used in digital logic circuits for signal amplification and switching purposes.

  6. What are the recommended biasing configurations for the BC847B/SNR?

    • Common biasing configurations include fixed bias, emitter bias, and voltage divider bias, depending on the specific application requirements.

  7. Can the BC847B/SNR be used in low-noise amplifier designs?

    • Yes, the BC847B/SNR's low noise characteristics make it suitable for use in low-noise amplifier designs, especially in RF applications.

  8. Are there any thermal considerations when using the BC847B/SNR?

    • It is important to consider thermal management, as excessive heat can affect the performance and reliability of the BC847B/SNR in high-power applications.

  9. What are the typical package options available for the BC847B/SNR?

    • The BC847B/SNR is commonly available in SOT-23 and SOT-323 packages, offering compact and versatile mounting options.

  10. What are some common alternatives to the BC847B/SNR for similar applications?

    • Alternatives include the BC547B, 2N2222, and 2N3904 transistors, which offer similar characteristics and can be used in comparable applications.