+ + Power Transistor ( 50V, 3A) 2SA1797 z Features z Dimensions (Unit : mm) 1) Low saturation voltage. MPT3 VCE (sat) = 0.35V (Max.) at IC / IB = 1A / 50mA. 2) Excellent DC current gain characteristics. 4.5 1.5 1.6 3) Complements the 2SC4672. (1) (2) (3) z Packaging specifications 0.4 0.5 0.4 0.4 Type 2SA1797 1.5 1.5 3.0 (1)Base Package MPT3 (2)Collector hFE PQ (3)Emitter Marking AG Code T100 Basic ordering unit (pieces) 1000 Denotes hFE z Absolute maximum ratings (Ta=25C) Parameter Symbol Limits Unit Collector-base voltage VCBO 50 V Collector-emitter voltage VCEO 50 V Emitter-base voltage VEBO 6 V 1 3 A (DC) Collector current IC 6 A (Pulse) 0.5 2 Collector power 2SA1797 PC W dissipation 2 Junction temperature Tj 150 C Storage temperature Tstg 55 to +150 C 1 Single pulse, Pw=10ms 2 When mounted on a 40 40 0.7mm ceramic board. z Electrical characteristics (Ta=25C) Parameter Symbol Min. Typ. Max. Unit Conditions Collector-base breakdown voltage BVCBO 50 V IC=50A Collector-emitter breakdown voltage BVCEO 50 V IC=1mA Emitter-base breakdown voltage BVEBO 6 V IE=50A Collector cutoff current ICBO 0.1 A VCB=50V Emitter cutoff current IEBO 0.1 A VEB=5V Collector-emitter saturation voltage VCE(sat) 0.15 0.35 V IC/IB=1A/50mA hFE1 82 270 VCE/IC=2V/0.5A DC current transfer ratio hFE2 45 VCE/IC=2V/1.5A Transition frequency fT 200 MHz VCE=2V, IE=0.5A, f=100MHz Output capacitance Cob 36 pF VCB=10V, IE=0A, f=1MHz Measured using pulse current www.rohm.com 2009.04 - Rev.C 1/2 c 2009 ROHM Co., Ltd. All rights reserved. 1.0 2.5 0.5 4.0Ta=25C Ta=25C 2SA1797 Data Sheet z Electrical characteristic curves 2.0 5000 10 VCE=2V Ta=25C VCE=2V 5 1.8 2000 2 1.6 1000 1 1.4 0.5 500 1.2 0.2 200 1 0.1 100 0.05 800m 50 0.02 600m 0.01 400m 20 5m 200m 10 2m 0 1m 5 011 23 45 67 8 90 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 -1m -5m -0.02 -0.1 -0.5 -2 -5-10 -2m -0.01 -0.05 -0.2 -1 COLLECTOR TO EMITTER VOLTAGE : VCE (V) COLLECTOR CURRENT : IC (A) BASE TO EMITTER VOLTAGE : VBE (V) Fig.1 Grounded EmitterOutput Fig.3 DC Current Gain vs. Fig.2 Grounded Emitter Propagation Characteristics Collector Current Characteristics -1 10 10ms lC/lB=20 -0.5 100ms 1ms 1 -0.2 DC -0.1 0.1 -0.05 -0.02 0.01 Ta=25C Single non repetitive pulse Mounted on epoxy board -0.01 t 12mm15mm 0.8mm -1m -5m -0.02 -0.1 -0.5 -2 -5-10 0.001 -2m -0.01 -0.05 -0.2 -1 0.1 1 10 100 COLLECTOR CURRENT : IC (A) COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.4 Collector-Emitter Saturation Voltage vs. Collector Current Fig.5 Safe Operating Area www.rohm.com 2009.04 - Rev.C 2/2 c 2009 ROHM Co., Ltd. All rights reserved. Ta=40C Ta=40C Ta=100C Ta=100C 4mA 3mA 2mA 1mA 6mA 5mA 8mA 7mA 9mA lB=10mA Ta=100C Ta=25C C Ta=40 COLLECTOR SATURATION VOLTAGE : VCE (sat) (V) COLLECTOR CURRENT : lC (A) COLLECTOR CURRENT : lC (A) COLLECTOR CURRENT : IC (mA) DC CURRENT GAIN : hFE