The M22-2035005 is a 50-contact 2mm male SIL Pin Header with gold plated phosphor bronze contacts, gold plated termination and black UL94V-0 polyamide (nylon) 6T housing. The M22 series connector has 3.4mm PC tail, horizontal connector orientation and PC tail/through board connection type. It is suitable for use with 0.5mm square mating pin size.