The 501951-4010-TR500 is a part manufactured by Molex, a leading supplier of connectors and interconnect components. It is a Wire-to-Board Connector, and is commonly used in a variety of applications. This connector features two rows of ten 2.00mm Pitch KK® terminals made of phosphor bronze plated with tin, which are crimp-style, providing a secure connection point to both conductor and board. It also has a copper alloy housing, with a polarizing feature to ensure proper mating with corresponding headers. The total length of the assembly is 11.20mm, and is lead-free, RoHS compliant.