2-5499141-4 is a universal ejection pin header from the AMP-LATCH product line, designed for ribbon cable interconnect applications. This right-angle PCB mount header features 20 positions with a 2.54 x 2.54 mm centerline matrix and 0.64 mm post size. The connector includes preloaded gold-plated phosphor bronze contacts, a blue polyester housing with UL 94V-0 flammability rating, and long ejection latches for secure mating. It operates over a temperature range of -55°C to +125°C and is RoHS/ELV compliant with wave solder capability up to 265°C. This header is ideal for reliable ribbon cable connections in industrial and electronic equipment requiring secure, polarized interconnections.