The DF2S16CT from Toshiba is a Power Diode with Dynamic Resistance 35 ohm, Reverse Current 0.5 uA, Reverse Voltage 15.3 to 17.1 V, Temperature operating range -55 to 125 Degree C, Reverse Breakdown Voltage 15.3 to 17.1 V. Tags: Surface Mount. More details for DF2S16CT can be seen below.