The MOLEX / WALDOM 505270-4010 SlimStack connector is a 0.35mm pitch board-to-board receptacle designed for secure and reliable connections in a variety of electronic applications. Its compact size, vertical orientation, and surface mount termination make it ideal for space-constrained designs. The connector supports 40 circuits and is constructed with copper alloy and liquid crystal polymer materials, plated with gold over nickel for excellent conductivity and durability. It is RoHS compliant and operates within a temperature range of -40°C to +85°C, making it suitable for demanding industrial environments.