High-voltage Amplifier Transistor (120V, 50mA) 2SA1579 / 2SA1514K Dimensions (Units : mm) Features 1) High breakdown voltage. (BVCEO = 120V) 2) Complements the 2SC4102 / 2SC3906K 2.0 1.3 0.9 (2) 0.65 0.65 (1) 0.1Min. Each lead has same dimensions ROHM : UMT3 EIAJ : SC-70 JEDEC : SOT-323 C C (1) Emitter (2) Base (3) Collector 2SA1514K Packaging specifications and hFE Marking Code Basic ordering unit (pieces) Denotes hFE R T106 3000 R T146 3000 0.95 0.95 1.9 2.9 2.8 0.3Min. 1.1 2SA1514K SMT3 RS 0.8 2SA1579 UMT3 RS 0 to 0.1 Package hFE 1.6 0.15 Type (2) (3) 0.4 (1) Junction temperature Storage temperature 2.1 0.2 Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation 1.25 Unit V V V mA W Limits -120 -120 -5 -50 0.2 150 -55 to +150 0~0.1 Symbol VCBO VCEO VEBO IC PC Tj Tstg 0.15 Parameter (3) 0.3 Absolute maximum ratings (Ta=25C) 0.7 2SA1579 Each lead has same dimensions ROHM : SMT3 EIAJ : SC-59 JEDEC : SOT-346 (1) Emitter (2) Base (3) Collector Electrical characteristics (Ta=25C) Symbol Min. Typ. Max. Unit Collector-base breakdown voltage Parameter BVCBO -120 - - V IC= -50A Collector-emitter breakdown voltage BVCEO -120 - - V IC= -1mA Emitter-base breakdown voltage BVEBO -5 - - V IE= -50A ICBO - - -0.5 A VCB= -100V Collector cutoff current IEBO - - -0.5 A VEB= -4V VCE(sat) - - -0.5 V IC/IB= -10mA/-1mA VCE= -6V, IC= -2mA Emitter cutoff current Collector-emitter saturation voltage Conditions hFE 180 - 560 - Transition frequency fT - 140 - MHz Output capacitance Cob - 3.2 - pF DC current transfer ratio www.rohm.com c 2012 ROHM Co., Ltd. All rights reserved. 1/2 VCE= -12V, IE=2mA, f=100MHz VCB= -12V, IE=0A, f=1MHz 2012.01 - Rev.B 2SA1579 / 2SA1514K Data Sheet Electrical characteristics curves -50 -20.0 -17.5 -6 -15.0 -12.5 -4 -10.0 -7.5 -5.0 -2 -2.5A IB=0 -4 0 -8 -12 -16 -20 -10 -5 -2 -1 -0.5 TRANSITION FREQUENCY : fT (MHZ) COLLECTOR SATURATION VOLTAGE : VCE(sat) (V) IC/IB=50/1 20/1 10/1 -0.05 -0.2 -0.5 -1 -2 -5 -10 -20 -50 COLLECTOR CURRENT : IC (mA) Fig.4 Collector-Emitter saturation voltage vs. collector current EMITTER INPUT CAPACITANCE : Cib (pF) 20 -0.2 -0.4 0 -0.6 -0.8 -1.0 -1.2 -1.4 100 -0.2 -1.6 Fig.2 Ground emitter propagation characteristics Ta=25C -0.1 200 Ta=25C VCE= -6V 500 200 100 50 0.5 1 2 5 10 20 EMITTER CURRENT : IE (mA) Fig.5 Transition frequency vs. emitter current 50 -0.5 -1 -2 -5 -10 -20 -50 COLLECTOR CURRENT : IC (mA) BASE TO EMITTER VOLTAGE : VBE (V) Fig.1 Ground emitter output characteristics -0.2 -5V VCE= -1V 50 COLLECTOR TO EMITTER VOLTAGE : VCE (V) -0.5 500 -0.2 -0.1 -20 DC CURRENT GAIN : hFE -22.5 -8 Ta=25C Ta=25C VCE= -6V V COLLECTOR CURRENT : IC (mA) -25.0 Fig.3 DC current gain vs. collector current COLLECTOR OUTPUT CAPACITANCE : Cob (pF) Ta=25C -3 COLLECTOR CURRENT : IC (mA) -10 20 Ta=25C f=1MHZ IE=0A 10 Cob 5 2 1 -0.5 -1 -2 -5 -10 -20 COLLECTOR TO BASE VOLTAGE : VCB (V) Fig.6 Collector output capacitance vs. collector-base voltage Ta=25C f=1MHZ IC=0A Cib 10 5 2 1 -0.5 -1 -2 -5 -10 -20 EMITTER TO BASE VOLTAGE : VEB (V) Fig.7 Emitter input capacitance vs. emitter-base voltage www.rohm.com c 2012 ROHM Co., Ltd. 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