The 30SLJQ030 from Infineon Technologies is a Power Diode with Forward Current 30 A, Forward Voltage 0.41 to 0.67 V, Reverse Voltage 30 V, Repetitive Peak Reverse Voltage 30 V, Non-Repetitive Peak Forward Current 150 A. Tags: Surface Mount. More details for 30SLJQ030 can be seen below.