This catalog from TE Connectivity / AMP Brand serves as a comprehensive guide for selecting connectors suitable for printed circuit board headers, mass termination connectors preloaded with contacts, crimp-snap contacts and housings, and card edge connectors with preloaded contacts. The catalog details various connector families like MTA, CST-100 II, and SL-156, offering options for different applications and centerline requirements. It includes information on wire-to-board mateability, connector types (closed end, feed-thru), and header configurations (straight, right-angle, polarized, friction lock).