BC847C

The BC847C is a small-signal NPN bipolar junction transistor (BJT) commonly used in various electronic applications. Manufactured by AnBon, this transistor is designed for low-power amplification and switching purposes.

Physical Characteristics:

• Package Type: The BC847C typically comes in a compact SOT-23 package, which is a surface-mount device (SMD) that allows for efficient use of space on printed circuit boards (PCBs).
• Dimensions: The SOT-23 package usually measures approximately 2.9 mm x 1.3 mm x 1.1 mm, making it suitable for applications where space is a constraint.
• Marking: The transistor is often marked with a specific code that identifies the manufacturer and the part number, ensuring easy identification during assembly and troubleshooting.

Electrical Specifications:

• Collector-Emitter Voltage (Vce): The BC847C can handle a maximum collector-emitter voltage of around 45V, making it suitable for a variety of low to moderate voltage applications.
• Collector Current (Ic): It has a maximum collector current rating of about 100 mA, allowing it to drive small loads effectively.
• Gain (hFE): The transistor features a current gain (hFE) ranging from 100 to 800, depending on the specific operating conditions, which makes it efficient for amplification tasks.
• Frequency Response: The BC847C has a transition frequency (fT) of approximately 100 MHz, indicating its capability to operate effectively in high-frequency applications.

Applications:

The BC847C is widely used in:

• Signal Amplification: Ideal for audio and radio frequency applications where small signal amplification is required.
• Switching Circuits: Commonly employed in digital circuits for switching applications due to its fast response time.
• Voltage Regulation: Utilized in voltage regulation circuits as part of feedback loops.

Thermal Characteristics:

• Junction Temperature: The maximum junction temperature is typically around 150°C, allowing it to operate in various environmental conditions without overheating.
• Thermal Resistance: The thermal resistance from junction to ambient is low, which helps in dissipating heat effectively during operation.

Conclusion:

The BC847C from AnBon is a versatile and reliable transistor that is essential in many electronic designs. Its compact size, robust electrical characteristics, and wide range of applications make it a popular choice among engineers and hobbyists alike. Whether used in audio equipment, signal processing, or switching applications, the BC847C continues to be a fundamental component in modern electronics.