Transistors IC SMD Type Medium Power Transistor 2SA1577 Features Large IC.ICMAX. = -500mA Low VCE(sat). Ideal for low-voltage operation. 1 Emitter 2 Base 3 Collector Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Collector-base voltage VCBO -40 V Collector-emitter voltage VCEO -32 V Emitter-base voltage VEBO -5 V Collector current IC -0.5 A Collector power dissipation PC 0.2 W Junction temperature Tj 150 Storage temperature Tstg -55 to +150 Electrical Characteristics Ta = 25 Parameter Symbol Testconditons Min Typ Max Unit Collector-base breakdown voltage BVCBO IC= -100ìA -40 V Collector-emitter breakdown voltage BVCEO IC= -1mA -32 V Emitter-base breakdown voltage BVEBO IE= -100ìA -5 V Collector cutoff current ICBO VCB= -20V -1 ìA Emitter cutoff current IEBO VEB= -4V -1 ìA -0.6 V VCE(sat) VCE= -3V, IC= -100mA Collector-emitter saturation voltage DC current transfer ratio hFE Transition frequency fT Output capacitance Cob IC/IB= -300mA/-30mA VCE= -5V, IE=20mA, f=100MHz VCB= -10V, IE=0A, f=1MHz 82 390 200 MHz 7 pF hFE Classification Marking HP HQ HR hFE 82 180 120 270 180 390 www.kexin.com.cn 1