The 1N5811U from STMicroelectronics is a Power Diode with Forward Current 6 A, Forward Voltage 0.8 to 1.075 V, Reverse Current 2 to 30 uA, Repetitive Peak Reverse Voltage 150 V, Non-Repetitive Peak Forward Current 100 to 105 A. Tags: Surface Mount. More details for 1N5811U can be seen below.