KFS20 KEXIN | Alldatasheet
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Low current (max. 25 mA) Low voltage (max. 20 V) Very low feedback capacitance (typ. 350 fF). Marking Marking G1 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 4V Collector current I C 25 mA Peak collector current I CM 25 mA power dissipation P D 250 mW Thermal resistance from junction to ambient * R th j-a 500 K/W Junction temperature T j 150 Storage temperature T stg - 6 5t o+ 1 5 0 * Transistor mounted on an FR4 printed-circuit board. Electrical Characteristics Ta = 25 Parameter Symbol Testconditons Min Typ Max Unit ICBO IE =0 ;VCB = 20 V 100 nA ICBO IE =0 ;VCB =2 0V ;Tj = 100 10 A Emitter cutoff current I EBO IC =0 ;VEB = 4V 100 nA DC current gain h FE IC =7 m A ;VCE = 10 V 40 85 Base to emitter voltage V BE IC =7m A ;VCE = 10V 740 900 mV Collector capacitance C C IE =i e =0 ;VCB =1 0V ;f=1M H z 1 p F Freedback capacitance C re IC=0,VCB=10V,f=1MHz 350 pF Transition frequency f T IC =5mA; VCE =10 V; f = 100 MHz 275 450 MHz Collector cutoff current