Amphenol T821 Series 2.54mm Box Header ConnectorsT821 series box header connectors with a 2.54mm pitch. These wire to board T821 series 2.54mm PCB mount box header connectors are made from black UL 94V-0 thermoplastic, have gold flash plated contacts and are available as vertical or right angle mounting.2.54mm Amphenol T821 Range