Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 151RL120T66 found under Semiconductor Device Thyristor by International Rectifier Corporation. The National Stock Number assigned to this part is 5961012733159, 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 151RL120T66.