Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CDB12A8X found under Microcircuit Digital by Calder Digital Development Inc. The National Stock Number assigned to this part is 5962013371391, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CDB12A8X.