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BF840 - NPN Silicon RF Transistors

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NPN Silicon RF Transistors BF 840 BF 841 q q q Suitable for common emitter RF, IF amplifiers Low collector-base capacitance due to contact shield diffusion Low output conductance Type BF 840 BF 841 Marking NC ND Ordering Code Q62702-F1240 Q62702-F1287 Pin Configuration 1 2 3 B E C Package1) SOT-23 Maximum Ratings Parameter Collector-emitter voltage Collector-base voltage Emitter-base voltage Collector current Base current Total power dissipation, TA ≤ 25 ˚C2) Junction temperature Storage temperature range Thermal Resistance Junction - ambient2) Rth JA ≤ Symbol VCE0 VCB0 VEB0 IC IB Ptot Tj Tstg Values 40 40 4 25 2 280 150 – 65 … + 150 Unit V mA mW ˚C 450 K/W 1) 2) For detailed information see chapter Package Outlines. Package mounted on alumina 15 mm × 16.7 mm × 0.7 mm.
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