The 1981562-1 is a cavity plug connector housing from the TE Connectivity 1.0 series, engineered for reliable electrical interconnection applications. This component features a PBT (polybutylene terephthalate) material construction with a cavity mark diameter of 2.8 mm and overall dimensions of 14.7 mm length, 4.3 mm width, and 0.7 mm height, providing a compact form factor suitable for space-constrained designs. The connector weighs 0.06 g and is designed to mate with TE plug assemblies (part numbers 1939938 or 1939927 as referenced in the mating connector table). This cavity plug housing is commonly used in automotive, industrial control, and consumer electronics applications where secure, miniaturized connections are required, offering excellent durability and consistent performance across operating environments.