The DMJ2088 from Skyworks is a Space Qualified Diode with Forward Voltage 550 to 650 mV, Reverse Breakdown Voltage 4 V, Temperature operating range -65 to 175 Degree C, Total Capacitance 0.30 to 0.50 pF (Junction Capacitance). Tags: Ceramic, Chip. More details for DMJ2088 can be seen below.