The RB061US-30 from ROHM Semiconductor is a Power Diode with Forward Current 2 A, Forward Voltage 0.30 to 0.40 V, Reverse Current 280 to 900 uA, Reverse Voltage 30 V, Repetitive Peak Reverse Voltage 30 V. Tags: Surface Mount. More details for RB061US-30 can be seen below.