The DF5A6.2CFU from Toshiba is a Power Diode with Dynamic Resistance 30 ohm, Reverse Current 2.5 uA, Reverse Voltage 5.8 to 6.6 V, Temperature operating range -55 to 150 Degree C, Reverse Breakdown Voltage 5.8 to 6.6 V. Tags: Surface Mount. More details for DF5A6.2CFU can be seen below.