The DF3A6.8UFU from Toshiba is a Power Diode with Reverse Current 0.5 uA, Reverse Voltage 5.3 V, Repetitive Peak Reverse Voltage 5.0 V, Peak Reverse Voltage 5 V, Temperature operating range -55 to 150 Degree C. Tags: Surface Mount. More details for DF3A6.8UFU can be seen below.