MRF479 NPN SILICON RF POWER TRANSISTOR PACKAGE STYLE TO-220AB (COMMON EMITTER) DESCRIPTION: The ASI MRF479 is Designed for 12.5 V FM Large-Signal Amplifier Applications to 50 MHz. MAXIMUM RATINGS IC 2.0 A (CONT) VCE 18 V VCB 36 V PDISS 30 W @ TC = 25 C TSTG -65 C to +150 C θJC 5.85 C/W O O O 1 = BASE 3 = COLLECTOR O CHARACTERISTICS 2 = EMITTER TAB = EMITTER O TC = 25 C SYMBOL TEST CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS BVCEO IC = 20 mA 18 V BVCBO IC = 20 mA 36 V BVEBO IE = 5.0 mA 4.0 V ICES VCES = 15 V hFE VCE = 5.0 V Cob VCB = 12.5 V GPE η d3 VCC = 12.5 V f1 = 30 MHz 5.0 IC = 500 mA 30 f = 1.0 MHz ICQ = 20 mA Pout = 15 W (PEP) f2 = 30.001 MHz 50 120 12 40 7525 ETHEL AVENUE • NORTH HOLLYWOOD, CA 91605 • (818) 982-1200 • FAX (818) 765-3004 Specifications are subject to change without notice. --155 pF -30 dB % dB 14 A D V A N C E D S E M I C O N D U C T O R, I N C. mA REV. A 1/1