The DF2S30CT from Toshiba is a Power Diode with Dynamic Resistance 75 ohm, Reverse Current 0.5 uA, Reverse Voltage 28 to 32 V, Temperature operating range -55 to 150 Degree C, Reverse Breakdown Voltage 28 to 32 V. Tags: Surface Mount. More details for DF2S30CT can be seen below.