The SZ1SMA5915BT3G from onsemi is a Power Diode with Forward Current 0.0961 A, Forward Voltage 3.70 to 4.10 V, Reverse Current 12.5 uA, Reverse Voltage 1.0 V, Repetitive Peak Reverse Voltage 1.0 V. Tags: Surface Mount. More details for SZ1SMA5915BT3G can be seen below.