NPN vs PNP Transistors: BJT Basics, Differences & Applications
Bipolar Junction Transistors (BJTs) are fundamental components in electronics. Whether you’re building an Arduino project, repairing a circuit board, designing an amplifier, or controlling a small electrical load, understanding NPN and PNP transistors can help you select the right component and avoid common wiring mistakes. Although NPN and PNP transistors perform similar functions, their operating…