The IDK02G120C5 from Infineon Technologies is a Power Diode with Forward Current 2 A, Forward Voltage 1.4 V, Reverse Current 0.0012 to 0.018 mA, Repetitive Peak Reverse Voltage 1200 V, Non-Repetitive Peak Forward Current 37 A. Tags: Surface Mount. More details for IDK02G120C5 can be seen below.