The RB160MM-30 from ROHM Semiconductor is a Power Diode with Forward Current 1 A, Forward Voltage 0.39 to 0.48 V, Reverse Current 3 to 50 uA, Reverse Voltage 30 V, Repetitive Peak Reverse Voltage 30 V. Tags: Surface Mount. More details for RB160MM-30 can be seen below.