The C4D20120D from Wolfspeed is a Power Diode with Forward Current 33 A, Forward Voltage 1.5 to 3 V, Reverse Current 350 uA, Repetitive Peak Reverse Voltage 1200 V, Non-Repetitive Peak Forward Current 59.5 to 750 A. Tags: Through Hole. More details for C4D20120D can be seen below.