The STPS3H100-Y from STMicroelectronics is a Power Diode with Forward Current 3 A, Forward Voltage 0.63 to 0.94 V, Reverse Current 1 uA, Repetitive Peak Reverse Voltage 100 V, Non-Repetitive Peak Forward Current 25 A. Tags: Surface Mount. More details for STPS3H100-Y can be seen below.