Samtec Inc. Header, 2.54Mm, Though Hole Vertical, 40 Position; Connector Systems Samtec TSW-140-24-T-S

The Samtec Header, part number 03R2191, is a 2.54 mm pitch, through-hole vertical connector with 40 positions. It features a single row configuration and is designed for board-to-board applications. The insulator material is black glass-filled polyester, and the terminals are made of phosphor bronze with options for gold or tin plating over nickel. The product is RoHS compliant and supports lead-free soldering for the HTSW variant. This header has an operating temperature range of -55 ¬8C to +125 ¬8C when gold plated, and -55 ¬8C to +105 ¬8C with tin plating. The voltage ratings vary depending on the mating connector, with a maximum of 550 VAC when mated with SSW connectors. Current ratings per pin range from 4.3 A to 6.3 A, depending on the specific mating connector used. The header is suitable for various applications and is compatible with multiple connector types, including SSW, SSQ, and BCS.