Hi everyone! Thank you for viewing this article, I welcome you on board. In this post I’ll walk you through the detailed Introduction to BC546 . BC546 is a low power NPN transistor mainly used for general purpose amplification and switching applications. In this read you’ll study all nitty-gritty of BC546 transistor i.e. from pinout, pin configuration, and working principle to power ratings, key parameters, physical dimensions and applications. Keep reading. Introduction to BC546 BC546 is a bipolar junction NPN transistor that finds applications in switching, amplification, impedance, H-bridge and current mirror circuits. This transistor falls in silicon epitaxial planar transistor category which is generally divided into three groups A, B & C. This BC546 is available in group A & B. BC546 ...