2SC4251

INCHANGE Semiconductor isc RF Product Specification isc Silicon NPN RF Transistor 2SC4251 DESCRIPTION ·High fTfT = 1100 MHz TYP. ·Low Output CapacitanceCOB = 0.9 pF TYP. APPLICATIONS ·Designed for TV tuner ,VHF oscillator applications. ABSOLUTE MAXIMUM RATINGS(Ta=25℃) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage 30 V VCEO Collector-Emitter Voltage 15 V VEBO Emitter-Base Voltage 3 V IC Collector Current-Continuous 50 mA IB B Base Current-Continuous Collector Power Dissipation @TC=25℃ Junction Temperature 25 mA PC 0.1 W TJ 125 ℃ Tstg Storage Temperature Range -55~125 ℃ isc Website：www.iscsemi.cn INCHANGE Semiconductor isc RF Product Specification isc Silicon NPN RF Transistor ELECTRICAL CHARACTERISTICS TC=25℃ unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN 2SC4251 TYP. MAX UNIT ICBO Collector Cutoff Current VCB= 15V; IE= 0 0.1 μA IEBO Emitter Cutoff Current VEB= 3V; IC= 0 1.0 μA V(BR)CEO Collector-Emitter Breakdown Voltage IC= 1mA ; IB= 0 15 V hFE DC Current Gain IC= 8mA ; VCE= 3V 40 200 fT Current-Gain—Bandwidth Product IC= 8mA;VCE= 10V 650 1100 MHz COB Output Capacitance IE= 0 ; VCB= 10V; f= 1MHz 0.9 1.3 pF rbb’ • CC Base Time Constant IC= 8mA ; VCB= 10V;f= 30MHz 7 12 ps isc Website：www.iscsemi.cn 2 INCHANGE Semiconductor isc RF Product Specification isc Silicon NPN RF Transistor 2SC4251 isc Website：www.iscsemi.cn INCHANGE Semiconductor isc RF Product Specification isc Silicon NPN RF Transistor 2SC4251 isc Website：www.iscsemi.cn 4