The 77317-804-72LF is a 72-way 2-row through-hole right angle Board-to-board Header with gold-plated phosphor bronze contacts, 2.54mm pitch. This Dubbox 77317 series connector with black high temperature thermoplastic housing. The housing will withstand exposure up to 260 ±5°C solder bath temperature for 5-second in a wave solder application with a 1.6mm minimum thick circuit board.