1630019-1 is a wire-to-board connector from TE Connectivity. This connector has two rows of three positions, and each row is polarized to prevent incorrect insertion. It has 4.2mm pitch spacing, meaning the wires are spaced 4.2mm apart from each other for a secure connection. It has a current rating of 2A and a voltage rating of 50V, meaning it can handle up to 2A of current and 50V of voltage. This connector is perfect for use in applications such as LED lighting, PCB connectivity, and automotive. Overall, it is a reliable, secure, and cost-effective wire-to-board connector.