The STPS1545-Y from STMicroelectronics is a Power Diode with Forward Current 15 A, Forward Voltage 0.50 to 0.84 V, Reverse Current 200 uA, Repetitive Peak Reverse Voltage 45 V, Non-Repetitive Peak Forward Current 220 A. Tags: Through Hole. More details for STPS1545-Y can be seen below.