2SC3098 KEXIN
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NF=2.5dB,|S21e|2=14.5dB(f=500MHz) NF=3.0dB,|S21e|2=9.0dB(f=1GHz) Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-base voltage V CBO 30 V Collector-emitter voltage V CEO 20 V Emitter-base voltage V EBO 3V Collector current I C 50 mA Base current I B 25 mA Collector power dissipation P C 150 mW Junction temperature T j 125 Storage temperature T stg - 5 5t o+ 1 2 5 Marking Marking MB Electrical Characteristics Ta = 25 Parameter Symbol Testconditons Min Typ Max Unit Collector cut-off current I CBO VCB =1 0V ,IE =0 1 ì A Emitter cut-off current I EBO VEB =1V ,I C =0 1 ì A DC current gain h FE VCE =1 0V ,IC = 10 mA 30 80 300 Collector output capacitance C ob VCB =1 0V ,IE =0 ,f=1M H z 1 . 1 5 p F Reverse Transfer Capacitance Cre I C =1 0m A ,IB = 1 mA 0.75 pF Transition Frequency fT V CE =1 0V ,IC =1 0m A 3 . 5 G H z |S21e|2(1) VCE =1 0V ,IC = 10 mA,f=500MHz 14.5 dB S21e|2(2) VCE =1 0V ,IC = 10 mA,f=1GHz 9 dB NF(1) V CB=10V, IC=5 mA, f=500MHz 2.5 dB NF(2) V CB=10V, IC=5 mA, f=1GHz 3 dB Insertion Gain Noise Figure