The SZ1SMB5956BT3G from onsemi is a Power Diode with Forward Current 0.0019 A, Forward Voltage 190 to 210 V, Reverse Current 1 uA, Reverse Voltage 152 V, Repetitive Peak Reverse Voltage 152 V. Tags: Surface Mount. More details for SZ1SMB5956BT3G can be seen below.