The EPW4-1200-S010A from Wolfspeed is a Power Diode with Forward Current 10 A, Forward Voltage 1.5 to 1.9 V, Reverse Current 0.03 to 0.25 mA, Reverse Voltage 1200 V, Repetitive Peak Reverse Voltage 1200 V. Tags: Chip. More details for EPW4-1200-S010A can be seen below.