silicon npn planar rf transistor.
D High power gain D Low noise figure D High transition frequency
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94 9308
13623
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BFR91A Marking: BFR91A Plastic case (TO 50) 1 = Collector, 2 = Emitter, 3 = Base.
RF amplifier up to GHz range specially for wide band antenna amplifier.
Features
D High power gain D Low noise figure D.
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