The 0901200129: Its 2.54mm pitch is the standard grid for prototyping and production, and the 9 circuits cover a common signal count for control and data lines. The tin-plated mating finish (3.00µm thick) suits moderate mating cycles—typically 50 to 100 mates—in environments where cost matters more than cycle life. The UL94 V-0 polyester housing and -55°C to 125°C range qualify it for automotive and general-purpose equipment inside enclosures.
This header mates with C-Grid III receptacles or IDC sockets that accept 0.100-inch pitch, 9-position unshrouded headers.