(1) PCB connectors can provide mechanical and electrical connections to printed circuit boards through holes or surface mounts;  
(2) PCB connector is divided into a base, no base, waterproof and not waterproof. Base to strengthen PCB connector fastening; No base is the form of socket, the accuracy requirements are low, but can save a certain amount of internal space to make the product more miniaturized;  
(3) Electronic components industry expert – Henan Shengtai: PCB series connectors are widely used in aviation, railway projects, industrial projects, test instruments ship systems, electric sightseeing vehicles; Communication power supply; Charger. Batteries and other products.