The 1SMB5934BT3G from onsemi is a Power Diode with Forward Current 0.0156 A, Forward Voltage 22.8 to 25.2 V, Reverse Current 1 uA, Reverse Voltage 18.2 V, Repetitive Peak Reverse Voltage 18.2 V. Tags: Surface Mount. More details for 1SMB5934BT3G can be seen below.