The M20-7830546 is a 10-contact 2.54mm female DIL Board-to-board Socket with 100% tin over nickel phosphor plated bronze contacts and black UL94V-0 polyamide (nylon) 6T housing. The M20 series receptacle has 3mm PC solder tails, vertical connector orientation, PC tail/through board connection type, side stackable and top entry style. It is suitable for use with 0.64mm square mating pin size. Suitable for interconnecting board to board. The socket is a box section design with a latch to locate and hold in an insulated housing.