The 5530843-3 is a 18-position 2-row vertical Board-to-Board Card Edge Connector with gold-plated phosphor bronze contacts and black GF polyester housing. The Standard Edge II receptacle supports through-hole solder termination method to PC board and solder tails PCB mount retention. It is applicable to printed circuit board. 0.64mm square solid posts meet standard wrap type specifications. It accepts double sided PC boards, 1.27 to 1.78mm thick.