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NPN Silicon RF Transistors BF 840
BF 841

q Suitable for common emitter RF, IF amplifiers
q Low collector-base
capacitance due to contact shield diffusion
q Low output conductance




Type Marking Ordering Code Pin Configuration Package1)
1 2 3
BF 840 NC Q62702-F1240 B E C SOT-23
BF 841 ND Q62702-F1287

Maximum Ratings
Parameter Symbol Values Unit
Collector-emitter voltage VCE0 40 V
Collector-base voltage VCB0 40
Emitter-base voltage VEB0 4
Collector current IC 25 mA
Base current IB 2
Total power dissipation, TA 25