Printed Circuit Boards (PCBs) are the backbone of modern electronic devices, facilitating the interconnection of various components. However, as electronic devices become more powerful and compact, managing the heat generated by these components becomes increasingly critical. Effective heatsink design and selection are essential to ensure the reliability and performance of PCBs. This guide will delve into the fundamental aspects of PCB heatsink design and selection, providing you with the knowledge to make informed decisions.