The M50-3501042 is a 20-position, dual-row vertical pin header from the M50 series, designed for board-to-board connections with a 1.27mm pitch. It is constructed from a high-temperature thermoplastic housing and features copper alloy contacts with a gold flash finish on the contact area and 100% tin on the tails. The connector is rated for 1A per contact, has a dielectric withstanding voltage of 1,000V ACrms/DC, and is specified for 300 mating cycles. Engineered for reliability, it operates over a temperature range of -40°C to +105°C and can withstand significant vibration and shock, making it suitable for various high-density electronic assemblies.