The Wurth Elektronik WR-PHD series through-hole mount dual row PCB socket header connector with a 2.54mm pitch. This board to board header has a black UL94-V0 PBT insulator and stamped gold plated copper alloy contacts.Pins = 24Type = straightInsulator flammability rating = UL94 V-0Operating temperature = -40°C and 105 °C