Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number APT2X61S20J found under Semiconductor Devices Unitized by Microsemi Corp Power Products. The National Stock Number assigned to this part is 5961015627611, 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 APT2X61S20J.