BF547 ,NPN 1 GHz wideband transistor
BF554 , NPN Silicon RF Transistor (For general small-signal RF applications up to 300 MHz in amplifier, mixer and oscillator circuits)
BF556C ,N-channel FETAPPLICATIONS• Impedance converters in e.g. electret microphones and3infra-red detectorsTop viewMAM0 ..
BF569 ,PNP Silicon RF Transistor (fOR OSCILLATORS, MIXERS AND SELF-OSCILLATING MIXER STAGES IN uhf tv TUNERS)
BF569 ,PNP Silicon RF Transistor (fOR OSCILLATORS, MIXERS AND SELF-OSCILLATING MIXER STAGES IN uhf tv TUNERS)Absolute Maximum RatingsT = 25
BF547
