Wurth WR-PHD Series 2.54mm SMT Pin Header ConnectorsWR-PHD series PCB SMT mount pin header connectors with a 2.54mm pitch. These board to board PCB SMT mount pin headers have a black UL94-V0 PBT insulator and stamped gold plated copper alloy contacts.2.54mm Wurth WR-PHD RangeThe Wurth WR-PHD Series is a range of Board to Board connectors.