The STPSC40065C-Y from STMicroelectronics is a Power Diode with Forward Current 40 A, Forward Voltage 1.45 to 1.65 V, Reverse Current 2000 uA, Repetitive Peak Reverse Voltage 650 V, Non-Repetitive Peak Forward Current 400 A. Tags: Through Hole. More details for STPSC40065C-Y can be seen below.