The DF12NB(3.0)-30DS-0.5V(51) from Hirose is surface mount mezzanine connector receptacle with 30 positions, 2 rows, 0.5mm pitch and solder retention. Stacking height 3mm. This connector has black polyamide insulator, gold plated phosphor copper contacts and tin plated brass solder tab. Operating temperature range is from -55°C to 125°C.