The SZ1SMB5941BT3G from onsemi is a Power Diode with Forward Current 0.008 A, Forward Voltage 44.65 to 49.35 V, Reverse Current 1 uA, Reverse Voltage 35.8 V, Repetitive Peak Reverse Voltage 35.8 V. Tags: Surface Mount. More details for SZ1SMB5941BT3G can be seen below.