BFY76 - Bipolar NPN Device in a Hermetically sealed TO18 Metal Package (Seme LAB)
BFY77 - Bipolar NPN Device in a Hermetically sealed TO18 Metal Package (Seme LAB)
BFY180 - HiRel NPN Silicon RF Transistor (HiRel Discrete and Microwave Semiconductor For low power amplifiers at collector currents from 0.2 to 2.5 mA) (Siemens Semiconductor Group)
BFY193 - HiRel NPN Silicon RF Transistor (HiRel Discrete and Microwave Semiconductor For low noise/ high gain broadband amplifiers up to 2 GHz.) (Siemens Semiconductor Group)
