The M22-6340542 is a 10-contact 2mm female DIL Board-to-board Socket with gold plated phosphor bronze contacts, 100% tin over nickel plated termination and black UL94V-0 polyamide (nylon) 6T housing. The M22 series connector has vertical connector orientation, surface mount (SMT) connection type and dual entry (bottom entry, top entry). It is suitable for use with 0.5mm square mating pin size. Twin beam contact for cost-effective reliability.