The DMF2011 from Skyworks is a Space Qualified Diode with Forward Voltage 250 to 310 mV, Reverse Breakdown Voltage 2 V, Temperature operating range -65 to 175 Degree C, Total Capacitance 0.15 to 0.30 pF (Junction Capacitance). Tags: Ceramic, Chip. More details for DMF2011 can be seen below.