2SC4081UB

General purpose small signal amplifier (50V, 0.15A) 2SC4081UB Applications General purpose small signal amplifier Dimensions (Unit : mm) UMT3F 2.0 Features 1) Low Cob. Cob=2.0pF (Typ.) 2) Complements the 2SA4081. 2.1 1.25 0.425 0.32 (3) 0.9 0.53 Each lead has same dimensions 0.425 Structure NPN silicon epitaxial planar transistor (1) Base (2) Emitter (3) Collector ∗ = Denotes hFE (1) (2) 0.13 0.65 0.65 1.3 Abbreviated symbol : B ∗ Absolute maximum (Ta=25C) Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Power dissipation Junction temperature Range of storage temperature ∗1 Pw=1ms Single pulse ∗2 Each terminal mounted on a recommended land Symbol VCBO VCEO VEBO IC ICP PD Tj Tstg ∗1 ∗2 Limits 60 50 7 150 200 200 150 −55 to +150 Unit V V V mA mA mW °C °C Electrical characteristics (Ta=25C) Parameter Collector-emitter breakdown voltage Collector-base breakdown voltage Emitter-base breakdown voltage Collector cutoff current Emitter cutoff current Collector-emitter saturation voltage DC current gain Transition frequency Output capacitance Symbol BVCEO BVCBO BVEBO ICBO IEBO VCE(sat) hFE fT Cob Min. 50 60 7 − − − 120 − − Typ. − − − − − − − 180 2.0 Max. − − − 100 100 400 390 − 3.5 Unit V V V nA nA mV − MHz pF IC=1mA IC=50μA IE=50μA VCB=60V VEB=7V IC/IB=50mA/5mA VCE=6V, IC=1mA VCE=12V, IE=−2mA, f=100MHz VCB=12V, IE=0A, f=1MHz Conditions hFE rank categories Rank hFE Q 120 to 270 R 180 to 390 www.rohm.com c ○ 2009 ROHM Co., Ltd. All rights reserved. 1/3 2009.12 - Rev.C 0.53 2SC4081UB Electrical characteristic curves 50 100 COLLECTOR CURRENT : IC (mA) Data Sheet VCE=6V COLLECTOR CURRENT : IC (mA) 80 Ta=25°C COLLECTOR CURRENT : IC (mA) 20 10 5 Ta=100°C 25°C −55°C 0.50mA mA 0.45 A 0.40m mA 0.35 0.30mA 10 Ta=25°C 30μA 27μA 24μA 21μA 8 60 0.25mA 0.20mA 6 18μA 15μA 12μA 9μA 6μA 3μA 2 1 0.5 0.2 0.1 0 40 0.15mA 0.10mA 4 20 0.05mA IB=0A 0 0.4 0.8 1.2 1.6 2.0 2 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 BASE TO EMITTER VOLTAGE : VBE (V) 0 0 4 8 IB=0A 12 16 20 COLLECTOR TO EMITTER VOLTAGE : VCE (V) COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.1 Grounded emitter propagation characteristics Fig.2 Grounded emitter output characteristics ( Ι ) Fig.3 Grounded emitter output characteristics ( ΙΙ ) 500 COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) Ta=25°C 500 Ta=100°C VCE=5V 3V 1V DC CURRENT GAIN : hFE VCE=5V 0.5 Ta=25°C DC CURRENT GAIN : hFE 200 200 25°C −55°C 0.2 IC/IB=50 20 10 100 100 0.1 0.05 50 50 0.02 20 10 0.2 20 10 0.2 0.5 1 2 5 10 20 50 100 200 0.5 1 2 5 10 20 50 100 200 0.01 0.2 0.5 1 2 5 10 20 50 100 200 COLLECTOR CURRENT : IC (mA) COLLECTOR CURRENT : IC (mA) COLLECTOR CURRENT : IC (mA) Fig.4 DC current gain vs. collector current ( Ι ) Fig.5 DC current gain vs. collector current ( ΙΙ ) Fig. 6 Collector-emitter saturation voltage vs. collector current COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) 0.5 IC/IB=10 0.5 IC/IB=50 TRANSITION FREQUENCY : fT (MHz) 500 Ta=25°C VCE=6V 0.2 Ta=100°C 25°C −55°C 0.2 0.1 0.05 Ta=100°C 25°C −55°C 0.1 0.05 200 0.02 0.02 0.01 0.2 0.5 1 2 5 10 20 50 100 100 0.01 0.2 0.5 1 2 5 10 20 50 100 200 50 −0.5 −1 −2 −5 −10 −20 −50 −100 COLLECTOR CURRENT : IC (mA) COLLECTOR CURRENT : IC (mA) EMITTER CURRENT : IE (mA) Fig.7 Collector-emitter saturation voltage vs. collector current ( Ι ) Fig.8 Collector-emitter saturation voltage vs. collector current (ΙΙ) Fig.9 Gain bandwidth product vs. emitter current www.rohm.com c ○ 2009 ROHM Co., Ltd. All rights reserved. 2/3 2009.12 - Rev.C 2SC4081UB BASE COLLECTOR TIME CONSTANT : Cc·rbb' (ps) Data Sheet COLLECTOR OUTPUT CAPACITANCE : Cob (pF) EMITTER INPUT CAPACITANCE : Cib (pF) 20 10 Cib Ta=25°C f=1MHz IE=0A IC=0A 200 Ta=25°C f=32MHZ VCB=6V 100 5 50 2 Co 20 b 1 0.2 0.5 1 2 5 10 20 50 10 −0.2 −0.5 −1 −2 −5 −10 COLLECTOR TO BASE VOLTAGE : VCB (V) EMITTER TO BASE VOLTAGE : VEB (V) EMITTER CURRENT : IE (mA) Fig.10 Collector output capacitance vs. collector-base voltage Emitter input capacitance vs. emitter-base voltage Fig.11 Base-collector time constant vs. emitter current www.rohm.com c ○ 2009 ROHM Co., Ltd. All rights reserved. 3/3 2009.12 - Rev.C Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). 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