The MSC030SDA120K from Microchip Technology is a Power Diode with Forward Current 27 to 70 A, Forward Voltage 1.5 to 2.1 V, Reverse Current 9 to 200 uA, Reverse Voltage 1200 V, Repetitive Peak Reverse Voltage 1200 V. Tags: Through Hole. More details for MSC030SDA120K can be seen below.