The MSC030SDA330B from Microchip Technology is a Power Diode with Forward Current 25 to 62 A, Forward Voltage 2.1 to 4.6 V, Reverse Current 5 to 200 uA, Reverse Voltage 3300 V, Repetitive Peak Reverse Voltage 3300 V. Tags: Through Hole. More details for MSC030SDA330B can be seen below.