The 87437-0543 is a 5-circuit 1-row 1.50mm pitch Pico-SPOX? Wire-to-board Vertical Header with tin-plated brass contacts and surface mount termination. This 87437 series PCB header mates with 87439 Pico-SPOX? wire-to-board housing, 87421 Pico-SPOX? crimp terminal, suitable for signal and wire-to-board applications.