The SZMMBZ18VALT3G from onsemi is a Power Diode with Forward Current 0.01 A, Forward Voltage 0.9 V, Reverse Current 0.05 uA, Reverse Voltage 14.5 V, Repetitive Peak Reverse Voltage 14.5 V. Tags: Surface Mount. More details for SZMMBZ18VALT3G can be seen below.