The SMA3Z7.5A from Rectron Semiconductor is a Power Diode with Forward Current 0.5 A, Forward Voltage 1.2 V, Reverse Current 1.0 uA, Reverse Voltage 4.5 V, Repetitive Peak Reverse Voltage 4.5 V. Tags: Surface Mount. More details for SMA3Z7.5A can be seen below.