Diodes Incorporated
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BC847BLD-7
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BC847BLD-7

Product Overview

Category

The BC847BLD-7 belongs to the category of small signal transistors.

Use

It is commonly used for amplification and switching of electronic signals in various applications.

Characteristics

  • Low power dissipation
  • High current gain
  • Low noise figure

Package

The BC847BLD-7 is available in a SOT-23 package.

Essence

This transistor is essential for low-power electronic circuit design and signal amplification.

Packaging/Quantity

The BC847BLD-7 is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 45V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 6V
  • Continuous Collector Current (IC): 100mA
  • Total Power Dissipation: 250mW
  • Transition Frequency (fT): 200MHz

Detailed Pin Configuration

The BC847BLD-7 has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

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

Advantages

  • Small size
  • Low power consumption
  • Versatile usage in electronic circuits

Disadvantages

  • Limited maximum current and voltage ratings
  • Susceptible to thermal runaway in high-power applications

Working Principles

The BC847BLD-7 operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small input signal.

Detailed Application Field Plans

The BC847BLD-7 finds extensive use in: - Audio amplifiers - Signal processing circuits - Sensor interfaces - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the BC847BLD-7 include: - 2N3904 - BC548 - 2SC945

In conclusion, the BC847BLD-7 is a versatile small signal transistor with a wide range of applications in electronic circuit design, offering a balance of performance and compactness.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BC847BLD-7 en soluciones técnicas

  1. What is the BC847BLD-7 transistor used for?

    • The BC847BLD-7 is a general-purpose NPN bipolar junction transistor commonly used in amplification and switching applications.

  2. What are the key specifications of the BC847BLD-7?

    • The BC847BLD-7 has a maximum collector current of 100mA, a maximum collector-emitter voltage of 45V, and a maximum power dissipation of 250mW.

  3. Can the BC847BLD-7 be used for audio amplification?

    • Yes, the BC847BLD-7 can be used for small signal audio amplification due to its low noise and high gain characteristics.

  4. Is the BC847BLD-7 suitable for switching applications?

    • Yes, the BC847BLD-7 is commonly used in low-power switching applications due to its fast switching speed and low saturation voltage.

  5. What are the typical operating conditions for the BC847BLD-7?

    • The BC847BLD-7 is typically operated at a collector current of 10mA to 100mA and a collector-emitter voltage of 20V to 45V.

  6. Does the BC847BLD-7 require a heat sink for normal operation?

    • No, the BC847BLD-7 does not typically require a heat sink for normal operation due to its low power dissipation.

  7. Can the BC847BLD-7 be used in high-frequency applications?

    • While the BC847BLD-7 has moderate frequency capabilities, it is more suited for low to moderate frequency applications.

  8. What are the common alternatives to the BC847BLD-7?

    • Common alternatives to the BC847BLD-7 include the BC547, 2N2222, and 2N3904 transistors, which have similar characteristics and pinouts.

  9. Are there any special considerations for PCB layout when using the BC847BLD-7?

    • It is important to minimize lead lengths and keep input and output traces short to reduce parasitic effects and maintain stability in high-gain applications.

  10. Where can I find detailed application notes for using the BC847BLD-7 in technical solutions?

    • Detailed application notes for the BC847BLD-7 can be found in the datasheet provided by the manufacturer, as well as in various electronics engineering resources and forums.