5961-01-034-9937 (584538-1)
NSN 5961-01-034-9937 (NIIN 01-034-9937) is a transistor in Federal Supply Class 5961, Semiconductor Devices And Associated Hardware — an active semiconductor device with three or more electrodes. Manufacturer part number 584538-1 (Raytheon Company, CAGE 3B150); also referenced as 65999 (Renesas Electronics America Inc); SRF2056H (Freescale Semiconductor, Inc.).
Key specs: hermetically sealed case; full characteristics table below. NIIN assigned February 1977; DEMIL A (none required); export Schedule B 8541.50.0080.