Introduction to BC640, bc640 pinout, bc640 power ratings, bc640 applications Departments:Electrical EngineeringElectronics EngineeringMechatronics EngineeringComponents:BC640Softwares:Proteus Hello Everyone! Hope you’re well today. Thank you for viewing this read. In this post today, I’ll be discussing the Introduction to BC640. BC640 is a bipolar junction transistor that be ...