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| UTC 2SC945 NPN EPITAXIAL SILICON TRANSISTOR AUDIO FREQUENCY AMPLIFIER HIGH FREQUENCY OSC NPN TRANSISTOR DESCRIPTION The UTC 2SC945 is an audio frequency amplifier high frequency OSC NPN transistor. 1 FEATURES *Collector-Emitter voltage: BVCBO=50V *Collector current up to 150mA *High hFE linearity *Complimentary to 2SA733 TO-92 1:EMITTER 2:COLLECTOR 3: BASE ABSOLUTE MAXIMUM RATINGS ( Ta=25C ,unless otherwise specified ) PARAMETER Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Dissipation(Ta=25C) Collector Current Base Current Junction Temperature Storage Temperature SYMBOL VCBO VCEO VEBO Pc Ic IB Tj TSTG VALUE 60 50 5 250 150 50 125 -55 ~ +150 UNIT V V V mW mA mA C C ELECTRICAL CHARACTERISTICS(Ta=25C,unless otherwise specified) PARAMETER Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Collector Cut-Off Current Emitter Cut-Off Current DC Current Gain(note) Collector-Emitter Saturation Voltage Current Gain Bandwidth Product Output Capacitance Noise Figure SYMBOL BVCBO BVCEO ICBO IEBO hFE VCE(sat) fT Cob NF TEST CONDITIONS Ic=100A, IE=0 IC=10mA,IB=0 VCB=40V,IE=0 VEB=3V,Ic=0 VCE=6V,Ic=1mA Ic=100mA,IB=10mA VCE=10V,Ic=50mA VCB=10V,IE=0,f=1MHz Ic=-0.1mA,VCE=6V RG=10k,f=100Hz MIN 60 50 TYP MAX UNIT V V nA nA 70 0.1 190 2.0 4.0 100 100 700 0.3 3.0 6.0 100 V MHz pF dB UTC UNISONIC TECHNOLOGIES CO. LTD 1 QW-R201-005,A UTC 2SC945 RANK RANGE NPN EPITAXIAL SILICON TRANSISTOR O 70-140 G 200-400 Y 120-240 L 350-700 CLASSIFICATION OF hFE TYPICAL PERFORMANCE CHARACTERISTICS Fig.1 Static characteristics 100 3 10 Fig.2 DC current Gain 2 10 Fig.3 Base-Emitter on Voltage Ic,Collector current (mA) HFE, DC current Gain 80 Ic,Collector current (mA) VCE=6V IB=300 A 60 2 10 1 10 VCE=6V IB=250 A IB=200 A IB=150 A 40 1 10 0 10 20 IB=100 A IB=50 A 0 4 8 12 16 20 0 0 10 -1 10 0 10 1 10 2 10 3 10 -1 10 0 0.2 0.4 0.6 0.8 1.0 Collector-Emitter voltage ( V) Ic,Collector current (mA) Base-Emitter voltage (V) Fig.4 Saturation voltage 4 10 3 10 Fig.5 Current gain-bandwidth product 2 10 Fig.6 Collector output Capacitance Current Gain-bandwidth product,fT(MHz) Saturation voltage (MV) VCE=6V 2 10 Cob,Capacitance (pF) Ic=10*IB 3 10 VBE(sat) 1 10 f=1MHz IE=0 2 10 VCE(sat) 1 10 0 10 1 10 -1 10 0 10 1 10 2 10 3 10 0 10 -1 10 -1 10 0 10 1 10 2 10 0 10 1 10 2 10 3 10 Ic,Collector current (mA) Ic,Collector current (mA) Collector-Base voltage (V) UTC UNISONIC TECHNOLOGIES CO. LTD 2 QW-R201-005,A |
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