The DF2S5.6CT from Toshiba is a Power Diode with Dynamic Resistance 30 ohm, Reverse Current 1.0 uA, Reverse Voltage 5.3 to 6.0 V, Temperature operating range -55 to 150 Degree C, Reverse Breakdown Voltage 5.3 to 6.0 V. Tags: Surface Mount. More details for DF2S5.6CT can be seen below.