The FFSH1665A from onsemi is a Power Diode with Forward Current 16 to 23 A, Forward Voltage 1.50 to 2.40 V, Reverse Current 200 to 600 uA, Repetitive Peak Reverse Voltage 650 V, Non-Repetitive Peak Forward Current 900 to 1000 A. Tags: Through Hole. More details for FFSH1665A can be seen below.