The MSC020SDA120S from Microchip Technology is a Power Diode with Forward Current 18 to 49 A, Forward Voltage 1.5 to 2.1 V, Reverse Current 6 to 200 uA, Reverse Voltage 1200 V, Repetitive Peak Reverse Voltage 1200 V. Tags: Surface Mount. More details for MSC020SDA120S can be seen below.