The SHDG124112 from Sensitron Semiconductors is a Space Qualified Diode with Forward Current 7.5 to 15 A, Reverse Current 0.75 µA to 35 mA, Temperature operating range -65 to 175 Degree C, Total Capacitance 400 pF (Junction Capacitance). More details for SHDG124112 can be seen below.