isc RF Product Specification INCHANGE Semiconductor isc Silicon NPN RF Transistor 2SC2845 DESCRIPTION ·Low Noise ·High Gain ·High Current-Gain Bandwidth Product APPLICATIONS ·Designed for use in UHF low noise amplifier. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage 25 V VCEO Collector-Emitter Voltage 12 V VEBO Emitter-Base Voltage 2.5 V IC Collector Current-Continuous 70 mA PC Collector Power Dissipation @TC=25℃ 0.2 W TJ Junction Temperature 125 ℃ -55~125 ℃ Tstg Storage Temperature Range isc Website：www.iscsemi.cn isc RF Product Specification INCHANGE Semiconductor isc Silicon NPN RF Transistor 2SC2845 ELECTRICAL CHARACTERISTICS TC=25℃ unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN TYP. MAX UNIT ICBO Collector Cutoff Current VCB= 15V; IE= 0 0.1 μA IEBO Emitter Cutoff Current VEB= 2V; IC= 0 0.1 μA hFE DC Current Gain IC= 20mA ; VCE= 10V Current-Gain—Bandwidth Product IE= -20mA ; VCE= 10V 4.5 COB Output Capacitance IE= 0; VCB= 10V; f= 1.0MHz 1.0 ︱S21e︱2 Insertion Power Gain fT 40 200 GHz 1.5 pF 8.5 10.5 dB 10 12 dB IC= 20mA; VCE= 10V; f= 0.8GHz GUM Power Gain NF Noise Figure isc Website：www.iscsemi.cn IC= 5mA; VCE= 10V; f= 0.8GHz 2 1.8 3 dB