The FFSB3065B from onsemi is a Power Diode with Forward Current 30 to 73 A, Forward Voltage 1.38 to 2.40 V, Reverse Current 0.5 to 120 uA, Repetitive Peak Reverse Voltage 650 V, Non-Repetitive Peak Forward Current 1000 to 1100 A. Tags: Through Hole. More details for FFSB3065B can be seen below.