Transistors SMD Type NPN Transistors BCX70 (KCX70) SOT-23 Unit: mm +0.1 2.9 -0.1 +0.1 0.4 -0.1 ■ Features ● PNP complements: BCX71 series. 1 0.55 ● Low voltage (max. 45 V). +0.1 1.3 -0.1 +0.1 2.4 -0.1 ● Low current (max. 100 mA) 0.4 3 2 +0.1 0.95 -0.1 +0.1 1.9 -0.1 0.97 +0.1 -0.1 +0.05 0.1 -0.01 1.Base 0-0.1 +0.1 0.38 -0.1 2.Emitter 3.collector ■ Absolute Maximum Ratings Ta = 25℃ Parameter Symbol Rating Collector - Base Voltage VCBO 45 Collector - Emitter Voltage VCEO 45 Emitter - Base Voltage VEBO 5 Collector Current - Continuous IC 100 Peak Collector Current ICM 200 Peak Base Current IBM 200 Collector Power Dissipation Thermal Resistance From Junction to Ambient (note.1) Junction Temperature Storage Temperature Range Unit V mA PC 250 mW Rthja 50 K/W TJ 150 Tstg -55 to 150 ℃ Note.1: Transistor mounted on an FR4 printed-circuit board. www.kexin.com.cn 1 Transistors SMD Type NPN Transistors BCX70 (KCX70) ■ Electrical Characteristics Ta = 25℃ Parameter Symbol Test Conditions Min Collector- base breakdown voltage VCBO Ic= 100 μA， IE= 0 45 Collector- emitter breakdown voltage VCEO Ic= 1 mA， IB= 0 45 Emitter - base breakdown voltage VEBO IE= 100μA， IC= 0 5 Collector-base cut-off current ICBO Emitter cut-off current IEBO VCE(sat) Base - emitter saturation voltage VBE(sat) 20 nA VCB= 45 V , IE= 0,Tamb = 150℃ 20 uA 20 nA IC=10 mA, IB=0.25mA 50 350 IC=50 mA, IB=1.25mA 100 550 IC=10 mA, IB=0.25mA 600 850 IC=50 mA, IB=1.25mA 700 1050 VCE= 5V, IC= 2mA BCX70G 550 VCE= 5V, IC= 10uA BCX70J DC current gain - 40 30 100 BCX70G 120 220 BCX70H 180 310 250 460 BCX70K 380 630 BCX70G 50 hFE VCE= 5V, IC= 2mA BCX70H VCE= 1V, IC= 50mA BCX70J BCX70K 70 90 100 Collector capacitance Cc VCB= 10V, IE=Ie=0,f=1MHz 1.7 Emitter capacitance Ce VEB= 0.5 V, IC=Ic=0,f=1MHz 11 Noise figure NF IC = 200 u A; VCE = 5 V; RS = 2 kΩ; f = 1 kHz; B = 200 Hz 2 Transition frequency fT VCE= 5V, IC= 10mA,f=100MHz ■ Classification of hfe(2) 2 Type BCX70G BCX70H BCX70J BCX70K Range 120-220 180-310 250-460 380-630 Marking AG* AH* AJ* AK* www.kexin.com.cn 750 780 BCX70K BCX70J DC current gain 650 - BCX70H mV 520 VCE= 1V, IC= 50mA DC current gain Unit VCB= 45 V , IE= 0 VCE= 5V, IC= 10uA VBE Max V VEB= 4V , IC=0 Collector-emitter saturation voltage Base - emitter voltage Typ 100 250 pF 6 dB MHz