The SZMM5Z18VT5G from onsemi is a Power Diode with Forward Current 0.01 A, Forward Voltage 0.9 V, Reverse Current 0.05 uA, Reverse Voltage 12.6 V, Repetitive Peak Reverse Voltage 12.6 V. Tags: Surface Mount. More details for SZMM5Z18VT5G can be seen below.