Transistors IC SMD Type High Frequency Amplifier 2SC4774 Features Very low output-on resistance (Ron). Low capacitance. 1 Emitter 2 Base 3 Collector Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-base voltage VCBO 12 V Collector-emitter voltage VCEO 6 V Emitter-base voltage VEBO 3 V Collector current IC 50 mA W Collector power dissipation PC 0.2 Junction temperature Tj 150 Storage temperature Tstg -55 to +150 Electrical Characteristics Ta = 25 Parameter Symbol Testconditons Min Typ Max Unit Collector-base voltage BVCBO IC=10ìA 12 V Collector-emitter voltage BVCEO IC=1mA 6 V Emitter-base voltage BVEBO IE=10ìA 3 V Collector cutoff current ICBO VCB=10V 0.5 ìA Emitter cutoff current IEBO VEB=2V 0.5 ìA VCE(sat) IC/IB=10mA/1mA 0.3 V Collector-emitter saturation voltage Forward current transfer ratio Transition frequency hFE fT VCE/IC=5V/5mA 270 VCE=5V, IE= -10mA, f=200MHz 300 560 800 Output capacitance Cob VCB=10V, IE=0A, f=1MHz 1 Output-on resistance Ron IB=3mA, VI=100mVrms, f=500kHz 2 MHz 1.7 pF Ù Marking Marking BMS www.kexin.com.cn 1