The DF2B5M4ASL from Toshiba is a Power Diode with Reverse Current 0.1 uA, Reverse Voltage 4.0 to 6.0 V, Repetitive Peak Reverse Voltage 3.6 V, Non-Repetitive Peak Forward Current 2 A, Peak Reverse Voltage 3.6 V. Tags: Surface Mount. More details for DF2B5M4ASL can be seen below.