DF3A-4P-2DSA from Hirose Electric Co Ltd is a 4-position connector housing/header solution in the DF3 series designed for compact board-to-board or cable interconnect applications. With 2.00 mm pitch, male pin contacts, push-pull fastening, and through-hole mounting, it fits equipment that needs dependable signal or low-power connection in space-conscious industrial, consumer, and embedded electronic assemblies. The part uses polyamide insulation rated UL94 V-0 and supports 3A current, with an operating range of -55°C to 105°C, making it suitable for demanding environments where mechanical stability and temperature tolerance matter. From a sourcing perspective, it is best positioned for maintenance builds, new designs requiring established Hirose interconnect formats, and cable/header interface replacement needs. Lifecycle status is currently listed as unknown, so designers should confirm ongoing manufacturer support before locking it into long-term programs. RoHS compliance information is not available in the provided data, and engineers should verify compliance through the latest Hirose documentation or manufacturer declarations.