The IDK10G120C5 from Infineon Technologies is a Power Diode with Forward Current 10 A, Forward Voltage 1.5 V, Reverse Current 0.004 to 0.062 mA, Repetitive Peak Reverse Voltage 1200 V, Non-Repetitive Peak Forward Current 99 A. Tags: Surface Mount. More details for IDK10G120C5 can be seen below.