Samtec Inc. Header, 2.54Mm, Though Hole Vertical, 39 Position; Connector Systems Samtec TSW-139-20-T-S

The Header, 2.54mm, Through Hole Vertical, 39 Position (part number 03R1512) from Samtec is designed for board-to-board applications with a pitch spacing of 2.54mm. It features a single row configuration with 39 contacts and is RoHS compliant. The insulator material is black glass-filled polyester, and the terminal material is phosphor bronze with plating options of gold or tin over nickel. This connector operates within a temperature range of -55 °C to +125 °C when gold plated, and -55 °C to +105 °C with tin plating. The voltage ratings vary depending on the mating connector, with a maximum of 550 VAC when mated with SSW connectors. The current rating per pin varies based on the mating connector type, with values ranging from 4.3 A to 6.3 A. This product is suitable for applications requiring reliable electrical connections in a compact form factor.