103639-2 is a single-row vertical through-hole (THT) PCB header from the AMPMODU MTE interconnect system, designed for wire-to-board and wire-to-wire applications. This standard header features matte tin plating and is available in 2-25 positions per row, with a 100 mil centerline pitch. The connector supports a current rating of 3 amps maximum per single contact in free air and an operating voltage of 267 V, with an operating temperature range of -65°C to +105°C. It is commonly used in computers, copiers, commercial printers, appliances, medical equipment, and automotive controls where reliable board-level connections are required.