Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TD12F2A1-1N253 found under Rectifier Semiconductor Device by Gilbert Engineering. The National Stock Number assigned to this part is 5961008380145, 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 TD12F2A1-1N253.