The BAS40-04HYFH from ROHM Semiconductor is a Power Diode with Forward Current 0.12 A, Forward Voltage 0.38 to 1.00 V, Reverse Current 1 to 10 uA, Reverse Voltage 40 V, Repetitive Peak Reverse Voltage 40 V. Tags: Surface Mount. More details for BAS40-04HYFH can be seen below.