1-6600303-1 is a vertical PCB mount header connector from the TE Connectivity MULTI-BEAM series, designed for board-to-board power connections. This fully shrouded rectangular connector features 5 positions in a single row with a centerline pitch of 2.54 mm / 7.62 mm and supports a maximum contact current rating of 42 A per position. The connector utilizes gold-plated blade contacts with copper alloy base material and nickel underplating, with through-hole press-fit termination to the PCB. Operating over a temperature range of -55°C to +105°C and rated for operating voltages up to 300 VDC, this connector is ideal for high-power board-to-board applications requiring reliable electrical connections and robust mechanical performance.