The RBQ20NS65AFH from ROHM Semiconductor is a Power Diode with Forward Current 20 A, Forward Voltage 0.61 to 0.69 V, Reverse Current 20 to 140 uA, Reverse Voltage 65 V, Repetitive Peak Reverse Voltage 65 V. Tags: Surface Mount. More details for RBQ20NS65AFH can be seen below.