HF20-12F NPN SILICON RF POWER TRANSISTOR DESCRIPTION: The HF20-12F is Designed for 12.5 V Class AB & C HF Power Amplifier Applications in the 2 to 32 MHz Band. FEATURES INCLUDE: • Replacement for MRF433 & SD1285 • PG = 15 dB Min. at 30MHz & 20W • Emitter Ballasting for ruggedness and reliability. PACKAGE STYLE .380" 4L FLANGE MAXIMUM RATINGS IC 4.5 A VCB 36 V VCE 18 V VEB 4.0 V PDISS 80 W @ TC = 25 C TJ -65 C to +200 C TSTG -65 C to +150 C θJC 2.2 C/W O O O O O 1 = COLLECTOR 2 = BASE 3 & 4 = EMITTER O CHARACTERISTICS O TC = 25 C SYMBOL TEST CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS BVCBO IC = 50 mA 36 V BVCES IC = 50 mA 36 V BVCEO IC = 50 mA 18 V BVEBO IE = 5.0 mA 4.0 V ICES VCE = 15 V hFE VCE = 5.0 V COB VCB = 12.5 V GPE IMD3 ηC VCC = 12.5 V 5 IC = 1.0 A 10 f = 1.0 MHz ICQ = 25 mA POUT = 20 W (PEP) f = 30.000 & 30.001 MHz 200 100 pF 55 dB dBc % 15 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. mA -30 REV. B 1/1