The RSX101MM-30TF from ROHM Semiconductor is a Power Diode with Forward Current 1 A, Forward Voltage 0.35 to 0.39 V, Reverse Current 90 to 200 uA, Reverse Voltage 30 V, Repetitive Peak Reverse Voltage 30 V. Tags: Surface Mount. More details for RSX101MM-30TF can be seen below.