Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UC1843J 883B found under Microcircuit Linear by Micro Uspd Inc. The National Stock Number assigned to this part is 5962012897408, 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 UC1843J 883B.