UMIL20 NPN SILICON RF POWER TRANSISTOR DESCRIPTION: The ASI UMIL20 is a Common Emitter Device Designed for Class A , AB and C Amplifier Applications in the 225 to 400 MHz Military Communications Band. PACKAGE STYLE .280 4L STUD FEATURES: • Direct Replacement for MRF323 • PG = 12 dB Typical at 400 MHz • Omnigold™ Metalization System MAXIMUM RATINGS IC 2.5 A VCBO 65 V PDISS 35 W @ TC = 25 OC TJ -65 OC to +200 OC O T STG -65 C to +150 C θ JC 5.0 OC/W CHARACTERISTICS SYMBOL IC = 20 mA BV CER IC = 20 mA BV EBO IE = 20 mA ICBO VCB = 30 V hFE VCE = 5 V COB VCB = 28 V ηc ORDER CODE: ASI10494 TC = 25 OC TEST CONDITIONS BV CBO PG 1 = Collector 2 = Base 3 & 4 = Emitter O VCE = 28 V MINIMUM TYPICAL MAXIMUM RBE = 200 Ω IC = 1.0 A 65 V 33 V 3.5 V 20 f = 1.0 MHz POUT = 20 W f = 400 MHz UNITS 10 12 50 2.0 mA 200 --- 20 pF 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. REV. A 7525 ETHEL AVENUE • NORTH HOLLYWOOD, CA 91605 • (818) 982-1200 • FAX (818) 765-3004 1/1 Specifications are subject to change without notice.