The 30SLJQ045 from Infineon Technologies is a Power Diode with Forward Current 30 A, Forward Voltage 0.48 to 0.71 V, Reverse Voltage 45 V, Repetitive Peak Reverse Voltage 45 V, Non-Repetitive Peak Forward Current 270 A. Tags: Surface Mount. More details for 30SLJQ045 can be seen below.