AM1821-3 NPN RF POWER TRANSISTOR DESCRIPTION: The ASI AM1821-3 is a Common Base Device Designed for Pulsed SBand Radar Amplifier Applications. PACKAGE STYLE 400 2L FLG (E) FEATURES INCLUDE: • Input/Output Matching • Gold Metallization • Emitter Ballasting MAXIMUM RATINGS IC 0.9 A VCBO 50 V PDISS 11.6 W @ TC = 25 °C TJ -55 °C to+200 °C TSTG -55 °C to+200 °C θJC 15 °C/W CHARACTERISTICS 1 = COLLECTOR 2 & 4 = BASE 3 = EMITTER TC = 25 °C SYMBOL TEST CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS BVCBO IC = 2.0 mA 50 V BVCER IC = 2.0 mA 50 V ICES VCE = 2.0 mA BVEBO IE = 1.0 mA 2.0 hFE VCE = 5 V PG ηC VCC = 24 V POUT = 3.0 W Pulse Width = 300 µS IC = 200 mA f = 1800 to 2100 MHz Duty Cycle = 10% mA 3.5 V 10 --- 7.8 dB % 50 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