The SZ1SMB5929BT3G from onsemi is a Power Diode with Forward Current 0.025 A, Forward Voltage 14.25 to 15.75 V, Reverse Current 1 uA, Reverse Voltage 11.4 V, Repetitive Peak Reverse Voltage 11.4 V. Tags: Surface Mount. More details for SZ1SMB5929BT3G can be seen below.