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2N4428 - NPN SILICON RF POWER TRANSISTOR

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2N4428 (SILICON) NPN SILICON RF POWER TRANSISTOR · .. designed primarily for use in large signal VHF and UHF amplifier output stages in military and industrial communications applications. • High Power Output Pout = 0.75 Watt with 10 dB Gain @f=500 MHz • High Current·Gain-Bandwidth Product fT = 1000 MHz (Typ) @IC = 50 mAdc • Multiple Emitter Construction for Excellent High Frequency Performance *MAXIMUM RATINGS Rating Coliector·Emittar Voltage Coliector·Base Voltage Emitter·Base Voltage Collector Current - Continuous Base Current - Continuous Total Device Oissipation@TC=250C Derate above 25°C Operating and Storage Junction Temperature Range -Indicatel JEOEC Registered Data. Symbal VCEO VCB VEB IC IB Po TJ,Tstg Value 35 55 3.5 425 150 3.