JST PCB Connector Housings - PA Series. Our range of JST PCB Connector Housings form part of the PA series for connectors. These housings provide a quality receptacle for connectors when they are mounted to a printed circuit board. Common applications of these connector housings can vary, but they are commonly used within household appliances, industrial controls, and storage and networking systems. Features and Benefits. 2 mm pitch Wire to board connection Additional locking features for secure connection to fittings Compact and durable UL File No. 60389, CSA File No. LR20812