2N3291 thru 2N3294 (SILICON) CASE 20 (TO-72) NPN.
Motorola
2N3294 - NPN silicon annular transistor
2N3291 thru 2N3294 (SILICON) CASE 20 (TO-72) NPN silicon annular transistor for TV and FM mixer, RF and IF amplifier and general-purpose, low-noise,.