The C4D05120A from Wolfspeed is a Power Diode with Forward Current 9.5 A, Forward Voltage 1.4 to 1.8 V, Reverse Current 300 uA, Repetitive Peak Reverse Voltage 1200 V, Non-Repetitive Peak Forward Current 36 to 400 A. Tags: Through Hole. More details for C4D05120A can be seen below.