The DF2S6M4FS from Toshiba is a Power Diode with Dynamic Resistance 0.35 ohm, Reverse Current 0.1 uA, Reverse Voltage 5.6 to 7.9 V, Repetitive Peak Reverse Voltage 5.5 V, Non-Repetitive Peak Forward Current 2 A. Tags: Surface Mount. More details for DF2S6M4FS can be seen below.