Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SFH690BT found under Coupler Optoelectro by Infineon Technologies. The National Stock Number assigned to this part is 5980015764908, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SFH690BT.