The MSC050SDA170B from Microchip Technology is a Power Diode with Forward Current 51 to 136 A, Forward Voltage 1.5 to 2.0 V, Reverse Current 50 to 250 uA, Reverse Voltage 1700 V, Repetitive Peak Reverse Voltage 1700 V. Tags: Through Hole. More details for MSC050SDA170B can be seen below.