Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BTS555-E3146 found under Switch Solid State by Infineon Technologies. The National Stock Number assigned to this part is 5930015904463, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BTS555-E3146.