The 20021321-10020C4LF is a vertical SMT receptacle connector from the Minitek127® board-to-board connector family, designed for high-density interconnections with a 1.27mm pitch. This shrouded receptacle supports position ranges from 4 to 100 positions and is available with multiple plating options including gold flash, 0.25µm gold, and 0.76µm gold to meet various reliability and environmental requirements. The connector features a maximum current rating of 1A per contact, rated voltage of 125VAC, and operates reliably across a temperature range of -55°C to +125°C with 100 mating cycles durability. It is commonly used in industrial robots, switches, smart devices, and server/storage applications where space-saving, high-reliability interconnections are essential.