The UJ3D1210K2 from UnitedSiC is a Power Diode with Forward Current 10 A, Forward Voltage 1.4 to 2.3 V, Reverse Current 10 to 450 uA, Reverse Voltage 1200 V, Repetitive Peak Reverse Voltage 1200 V. Tags: Through Hole. More details for UJ3D1210K2 can be seen below.