Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CZT3120 found under Transistor by Central Semiconductor Corp. The National Stock Number assigned to this part is 5961015511196, 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 CZT3120.