2SC3121 KEXIN
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High Transition Frequency :fT=1500MHz (Typ.) Exellent Linearity Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-base voltage V CBO 30 V Collector-emitter voltage V CEO 15 V Emitter-base voltage V EBO 3V Collector current I C 25 mA Base current I B 50 mA Collector Power Dissipation P C 150 mW Junction temperature T j 125 Storage temperature Range T stg - 5 5t o+ 1 2 5 Electrical Characteristics Ta = 25 Parameter Symbol Testconditons Min Typ Max Unit Collector cut-off current I CBO VCB = 15V, IE =0 0 . 1 ì A Emitter cut-off current I EBO VEB =3 V ,IC =0 1 . 0 ì A Collector-emitter breakdown voltage V (BR)CEO IC=1mA,IB=0 15 V DC current gain h FE VCE =3V ,I C = 8 mA 60 150 320 Transition Frequency f T VCE =1 0V ,IC = 8mA 1100 1500 MHz Conversion Output Capacitance C ob VCB=10V,IE=0mA,f=1MHZ 0.9 1.3 pF Collector-Bace Time Constant C c.rbb2 VCB=10V,IC=8mA,f=30MHZ 7 12 ps Marking Marking HC