BCF81

SMD Type www.DataSheet4U.com Transistors IC NPN General Purpose Transistors BCF81 SOT-23 Unit: mm Low current (max. 100 mA). +0.1 2.4-0.1 Low voltage (max. 45 V). +0.1 1.3-0.1 1 +0.1 0.95-0.1 +0.1 1.9-0.1 2 0.55 0.4 Features +0.1 2.9-0.1 +0.1 0.4-0.1 3 +0.05 0.1-0.01 +0.1 0.97-0.1 1.Base 2.Emitter 3.collector Absolute Maximum Ratings Ta = 25 Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Peak collector current Peak base current Total power dissipation * Storage temperature Junction temperature Operating ambient temperature Thermal resistance from junction to ambient * * Transistor mounted on an FR4 printed-circuit board. Symbol VCBO VCEO VEBO IC ICM IBM Ptot Tstg Tj Ramb Rth j-a Rating 50 45 5 100 200 100 250 -65 to +150 150 -65 to +150 500 K/W Unit V V V mA mA mA mW +0.1 0.38-0.1 0-0.1 www.kexin.com.cn 1 SMD Type www.DataSheet4U.com Transistors IC BCF81 Electrical Characteristics Ta = 25 Parameter Collector cutoff current Emitter cutoff current DC current gain Collector-emitter saturation voltage Symbol ICBO ICBO IEBO hFE VCE(sat) Testconditons IE = 0; VCB = 20 V IE = 0; VCB = 20 V; Tj = 100 IC = 0; VEB = 5 V IC = 2 mA; VCE = 5 V IC = 10 mA; IB = 0.5 mA IC = 50 mA; IB = 2.5 mA Base to emitter saturation voltage Base to emitter voltage Collector capacitance Transition frequency Noise figure VBE(sat) VBE CC fT NF IC = 10 mA; IB = 0.5 mA IC = 50 mA; IB = 2.5 mA IC = 2 mA; VCE = 5 V IE = ie = 0; VCB = 10 V;...