TIGER ELECTRONIC CO.,LTD Product specification 2SC2078 27MHz RF Power Amplifier Applications Absolute Maximum Ratings ( Ta = 25℃ ) Parameter l Value Unit Collector-Base Voltage VCBO 80 V Collector-Emitter Voltage VCEO 75 V Emitter-Base Voltage VEBO 5.0 V Collector Current IC 3.0 A Base Current IB 1.5 A Ptot 10 W Tj 150 o Tstg -55~150 o Total Dissipation at Max. Operating Junction Temperature Storage Temperature C C TO-220 Electrical Characteristics ( Ta = 25℃ ) Parameter Symbol Test Conditions Min. Typ. Max. Unit Collector Cut-off Current ICBO VCE=40V, IE=0 — — 10 uA Emitter Cut-off Current IEBO VEB=4V, IC=0 — — 10 uA Collector-Emitter Sustaining Voltage VCEO IC=10mA, IB=0 75 — — V hFE(1) VCE=5V, IC=0.5A 25 — 200 hFE(2) VCE=5V, IC=1.0A 10 — — DC Current Gain Collector-Emitter Saturation Voltage VCE(sat) IC=1.0A,IB=0.1A — — 0.6 V Base-Emitter Saturation Voltage VBE(sat) IC=1.0A,IB=0.1A — — 1.2 V 100 150 — MHz — 45 60 pF Current Gain Bandwidth Product fT Cob Output Capacitance VCE=10V, IC=0.1A VCB=10V,IE=0,f=1.0MHz hFE Classification Classification B C D E hFE1 25 ~ 50 40 ~ 80 60 ~ 120 100 ~ 200