The AOK40120XSD from Alpha & Omega Semiconductor is a Power Diode with Forward Current 0.02 A, Forward Voltage 1.8 to 1.95 V, Reverse Current 10 to 185 uA, Reverse Voltage 1200 V, Repetitive Peak Reverse Voltage 1200 V. Tags: Through Hole. More details for AOK40120XSD can be seen below.