The 20021121-00020C4LF is a 20-way 2-row SMT Unshrouded Header with black high temperature thermoplastic (UL94-V0) housing, copper alloy terminal, standard, 3.05mm mating length, 0.25μm Au minimum at contact, 1.27μm minimum matte tin at tail, without post. The housing with withstand exposure to 260°C peak temperature for 10 seconds in a convection infrared or vapour phase reflow oven.