Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MDA920A3 found under Rectifier Semiconductor Device by Rochester Electronicsllc. The National Stock Number assigned to this part is 5961007827187, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MDA920A3.