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BD912
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BD912 Transistor

Product Overview

Category

The BD912 transistor belongs to the category of power transistors.

Use

It is commonly used in high-power amplification and switching applications.

Characteristics

  • High voltage capability
  • High current capability
  • Low saturation voltage

Package

The BD912 transistor is typically available in a TO-220 package.

Essence

This transistor is essential for power control and amplification in various electronic circuits.

Packaging/Quantity

It is usually packaged individually and available in varying quantities depending on the supplier.

Specifications

  • Collector-Base Voltage (VCBO): 100V
  • Collector-Emitter Voltage (VCEO): 100V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 15A
  • Power Dissipation (PD): 90W
  • Transition Frequency (FT): 2MHz

Detailed Pin Configuration

The BD912 transistor has three pins: 1. Collector (C) 2. Base (B) 3. Emitter (E)

Functional Features

  • High voltage and current handling capabilities
  • Low saturation voltage for efficient switching
  • Suitable for audio amplification and power control applications

Advantages

  • Robust construction for high-power applications
  • Low saturation voltage reduces power loss
  • Versatile usage in various electronic circuits

Disadvantages

  • Higher heat dissipation due to high power handling capability
  • Larger physical size compared to low-power transistors

Working Principles

The BD912 operates based on the principles of bipolar junction transistors, utilizing the flow of charge carriers to amplify or switch electronic signals.

Detailed Application Field Plans

The BD912 transistor finds extensive use in the following applications: - Audio amplifiers - Power supply circuits - Motor control systems - Voltage regulators

Detailed and Complete Alternative Models

Some alternative models to the BD912 transistor include: - TIP35C - MJ15003 - 2N3055

In conclusion, the BD912 transistor is a versatile component with high voltage and current capabilities, making it suitable for a wide range of power control and amplification applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi BD912 dalam penyelesaian teknikal

Sure, here are 10 common questions and answers related to the application of BD912 in technical solutions:

  1. What is BD912?

    • BD912 is a silicon NPN power transistor designed for use in general-purpose amplifier and switching applications.

  2. What are the key features of BD912?

    • The key features of BD912 include high current capability, low saturation voltage, and high transition frequency.

  3. What are the typical applications of BD912?

    • BD912 is commonly used in audio amplifiers, power supply circuits, motor control circuits, and other general-purpose switching applications.

  4. What is the maximum collector current (IC) rating of BD912?

    • The maximum collector current (IC) rating of BD912 is typically around 15A.

  5. What is the maximum collector-emitter voltage (VCEO) rating of BD912?

    • The maximum collector-emitter voltage (VCEO) rating of BD912 is typically around 100V.

  6. What is the typical gain (hFE) of BD912?

    • The typical gain (hFE) of BD912 is around 25 to 160 at a collector current of 3A.

  7. How should BD912 be mounted for optimal performance?

    • BD912 should be mounted on a heat sink to ensure proper heat dissipation and to maintain its operating temperature within safe limits.

  8. What are the recommended operating conditions for BD912?

    • The recommended operating conditions for BD912 include a maximum collector current, maximum collector-emitter voltage, and appropriate base drive current.

  9. Can BD912 be used in high-frequency applications?

    • While BD912 has a high transition frequency, it may not be suitable for very high-frequency applications due to its internal capacitances and other characteristics.

  10. Are there any specific precautions to consider when using BD912 in technical solutions?

    • It's important to ensure proper thermal management, avoid exceeding the maximum ratings, and provide adequate base drive current to prevent saturation and ensure reliable operation.

I hope these questions and answers are helpful for your technical solutions involving BD912. Let me know if you need further assistance!