The RBQ15BM45AFH from ROHM Semiconductor is a Power Diode with Forward Current 15 A, Forward Voltage 0.51 to 0.59 V, Reverse Current 15 to 140 uA, Reverse Voltage 45 V, Repetitive Peak Reverse Voltage 45 V. Tags: Surface Mount. More details for RBQ15BM45AFH can be seen below.