The STPS1H100-Y from STMicroelectronics is a Power Diode with Forward Current 1 A, Forward Voltage 0.58 to 0.86 V, Reverse Current 4 uA, Repetitive Peak Reverse Voltage 100 V, Non-Repetitive Peak Forward Current 50 A. Tags: Surface Mount. More details for STPS1H100-Y can be seen below.