BC847 datasheet by Rectron Semiconductor

BC847 Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the BC847?
  The BC847 can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance.
• How do I ensure the BC847 is properly biased for linear amplifier applications?
  To ensure proper biasing, set the base voltage (Vb) to around 0.7V, and the collector voltage (Vc) to around 5V to 10V, depending on the specific application requirements.
• What is the maximum collector current (Ic) that the BC847 can handle?
  The maximum collector current (Ic) for the BC847 is 100mA, but it's recommended to keep it below 50mA for optimal performance and to prevent overheating.
• Can I use the BC847 as a switch, and if so, what are the considerations?
  Yes, the BC847 can be used as a switch, but ensure the base is driven hard enough to saturate the transistor (Vbe around 0.7V). Also, consider the switching frequency, as high frequencies can lead to increased power dissipation.
• How do I choose the correct resistor values for the base and collector circuits?
  Choose resistor values based on the specific application requirements, but as a general rule, the base resistor (Rb) should be around 1kΩ to 10kΩ, and the collector resistor (Rc) should be around 1kΩ to 4.7kΩ.