The C4D30120H from Wolfspeed is a Power Diode with Forward Current 94 A, Forward Voltage 1.5 to 3 V, Reverse Current 450 uA, Repetitive Peak Reverse Voltage 1200 V, Non-Repetitive Peak Forward Current 209 to 233 A. Tags: Through Hole. More details for C4D30120H can be seen below.