Basics
PCB Pin Header Selection Guide
A PCB pin header is a common board-level connector made of one or more rows of conductive metal pins held in an insulating plastic housing. It is used to create a detachable electrical connection between a printed circuit board (PCB) and another circuit, module, or connector.
Obsolete Electronic Components: Sourcing Guide
Obsolete electronic components refer to devices that have been officially discontinued by the original manufacturer, are in the process of being discontinued, or are no longer recommended for use in new designs. They are typically associated with unstable supply, extended lead times, price fluctuations, and the pressure to validate alternative parts.