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  Datasheet File OCR Text:
 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 VCE VCB PDISS TSTG JC
O
2.0 A (CONT) 18 V 36 V 30 W @ TC = 25 C -65 C to +150 C 5.85 C/W
O O O
1 = BASE 3 = COLLECTOR
2 = EMITTER TAB = EMITTER
CHARACTERISTICS
SYMBOL
BVCEO BVCBO BVEBO ICES hFE Cob GPE d3 IC = 20 mA IC = 20 mA IE = 5.0 mA
TC = 25 C
O
TEST CONDITIONS
MINIMUM TYPICAL MAXIMUM
18 36 4.0 5.0
UNITS
V V V mA ---
VCES = 15 V VCE = 5.0 V VCB = 12.5 V VCC = 12.5 V f1 = 30 MHz IC = 500 mA f = 1.0 MHz ICQ = 20 mA Pout = 15 W (PEP) f2 = 30.001 MHz 12 40 30 50 120 14
155
pF dB % dB
-30
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.
REV. A
1/1


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