The SZMM5Z12VST1G from onsemi is a Power Diode with Forward Current 0.01 A, Forward Voltage 0.9 V, Reverse Current 0.1 uA, Reverse Voltage 8.0 V, Repetitive Peak Reverse Voltage 8.0 V. Tags: Surface Mount. More details for SZMM5Z12VST1G can be seen below.