MRF4427 NPN SILICON RF TRANSISTOR DESCRIPTION: PACKAGE STYLE The ASI MRF4427 is Designed for General Purpose Amplifier and Oscillator in VHF and UHF applications. MAXIMUM RATINGS IC 400 mA VCEO 20 V VCBO 40 V VEBO 4.0 V PDISS 1.5 W @ TC = 25 °C TJ -65 °C to +150 °C TSTG -65 °C to +150 °C θJC 125 °C/W CHARACTERISTICS TC = 25 °C NONETEST CONDITIONS SYMBOL BVCEO IC = 5.0 mA BVCER IC = 5.0 mA BVEBO IE = 100 µA ICEO VCB = 12 V RBE = 10 Ω MINIMUM TYPICAL MAXIMUM 20 V 40 V 2.0 V 20 VCE = 5.0 V IC = 100 mA 10 VCE = 5.0 V IC = 360 mA 5.0 VCE(sat) IC = 50 mA IB = 20 mA COB VCB = 12 V ft VCE = 12 V IC = 50 mA f = 200 MHz VCC = 12 V POUT = 1.0 W PIN = 15 mW IC = 50 mA f = 175 MHz hFE S21 2 50 200 60 f = 1.0 MHz 14 --- pF 1600 MHz 18 dB 60 % 16.4 dB A D V A N C E D S E M I C O N D U C T O R, I N C. 7525 ETHEL AVENUE • NORTH HOLLYWOOD, CA 91605 • (818) 982-1200 • FAX (818) 765-3004 Specifications are subject to change without notice. µA mV 3.0 Gpe η UNITS REV. A 1/1