The RB411VAM-50 from ROHM Semiconductor is a Power Diode with Forward Current 0.5 A, Forward Voltage 0.30 to 0.50 V, Reverse Current 30 uA, Reverse Voltage 20 V, Repetitive Peak Reverse Voltage 50 V. Tags: Surface Mount. More details for RB411VAM-50 can be seen below.