The BYS10-45 from Vishay is a Power Diode with Forward Current 1.5 A, Forward Voltage 0.5 V, Reverse Current 0.5 to 10 mA, Repetitive Peak Reverse Voltage 45 V, Non-Repetitive Peak Forward Current 30 to 40 A. Tags: Surface Mount. More details for BYS10-45 can be seen below.