The UF5408 from Vishay is a Power Diode with Forward Current 3.0 A, Forward Voltage 1.7 V, Reverse Current 0.01 to 0.2 mA, Repetitive Peak Reverse Voltage 1000 V, Non-Repetitive Peak Forward Current 150 A. Tags: Through Hole. More details for UF5408 can be seen below.