The 1SMB5923BT3G from onsemi is a Power Diode with Forward Current 0.0457 A, Forward Voltage 7.79 to 8.61 V, Reverse Current 5 uA, Reverse Voltage 6.5 V, Repetitive Peak Reverse Voltage 6.5 V. Tags: Surface Mount. More details for 1SMB5923BT3G can be seen below.