The SK1030D2 L118A from Diotec Semiconductor is a Power Diode with Forward Current 5 to 10 A, Forward Voltage 0.48 to 0.55 V, Reverse Current 300.0 uA, Reverse Voltage 30 to 45 V, Repetitive Peak Reverse Voltage 30 to 45 V. Tags: Surface Mount. More details for SK1030D2 L118A can be seen below.