Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MIC29501-3.3BU found under Voltage Regulator Subassembly by Micrel Inc. The National Stock Number assigned to this part is 6110015951977, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MIC29501-3.3BU.