Bel Fuse is a global leader in the design, development, production, and sales of high-performance circuit protection, power management, and connectivity solutions. The company's products are used in a range of consumer, industrial, and automotive applications. The part number 14540 is a wire-to-board interface system, which includes an assembled header and crimp/pcb terminal which mates with 1.25mm pitch receptacles. This interface can be used to create a secure connection between two pieces of equipment, such as a PCB and a drive.