The SZ1SMB5951BT3G from onsemi is a Power Diode with Forward Current 0.0031 A, Forward Voltage 114 to 126 V, Reverse Current 1 uA, Reverse Voltage 91.2 V, Repetitive Peak Reverse Voltage 91.2 V. Tags: Surface Mount. More details for SZ1SMB5951BT3G can be seen below.