What This MTA-100 Header Does on the Board
The 2-644488-5: This is a 5-position, single-row, right-angle through-hole header from the MTA-100 series. It mates with the matching MTA-100 receptacle to make a board-to-cable/wire connection, and the 0.100" (2.54 mm) pitch matches the tooling and footprint of the rest of the MTA-100 family. The shrouded 4-wall housing protects the male pins during handling and guides the receptacle into alignment. A friction lock on the shroud holds the mated pair together without a secondary latch or tool.
Key Specs for the BOM Line
5 positions, all loaded, in a single row. The contact finish is tin on both the mating surface and the solder post. Rated voltage is 250 VAC. Current rating varies by wire gauge — the limiting factor is the wire, not the header contact itself. Operating temperature range covers -55°C to 105°C, which suits most indoor industrial enclosures. The housing is rated UL94 V-0, so it passes the flame test required for equipment inside an enclosure. The insulation material is polyester, black in colour.