The RF2001NS3D from ROHM Semiconductor is a Power Diode with Forward Current 20 A, Forward Voltage 1.2 to 1.3 V, Reverse Current 0.03 to 10 uA, Reverse Voltage 300 V, Repetitive Peak Reverse Voltage 350 V. Tags: Surface Mount. More details for RF2001NS3D can be seen below.