The MOLEX 43650-0417 is a Micro-Fit 3.0 vertical header, part of the 43650 series, designed for robust wire-to-board connections. This header features a 3.00mm pitch and accommodates 4 circuits, making it suitable for a variety of applications. The gold plating on the mating contacts ensures excellent conductivity and durability, while the tin plating on the termination contacts facilitates reliable solder joints. It is engineered to withstand high temperatures and is compliant with RoHS standards, making it a versatile choice for industrial and commercial applications. The header's polarized design and PCB retention features simplify assembly and ensure secure connections.