SD1444

SD1444 SILICON NPN RF POWER TRANSISTOR DESCRIPTION: The ASI SD1444 is designed for large signal power amplifier applications operating in the 250-512 MHz range. FEATURES: • Common Emitter • POUT = 4.0 Watts • 12.5 Volts PACKAGE STYLE TO-39 MAXIMUM RATINGS: IC VCB VCE PDISS TJ TSTG θJC 0.4 A 36 V 16 V 5.0 W @ TC = 25 °C -65 °C to +200 °C -65 °C to +200 °C 35.0 °C/W 1 = EMITTER 2 = BASE 3 = COLLECTOR CHARACTERISTICS SYMBOL BVCEO BVCES BVEBO ICBO HFE COB GPE IC = 50 mA IC = 50 mA TC = 25 °C TRANS1.SYM TEST CONDITIONS MINIMUM 16 36 4.0 TYPICAL MAXIMUM UNITS V V V IC = 1.0 mA VCE = 15 V VCE = 5.0 V VCB = 15.0 V IC = 50 mA f = 1.0 MHz POUT = 2.0 W f = 470 MHz 1.0 20 200 15 8.0 15 mA --pF dB VCE = 12.5 V IMPEDANCE DATA FREQ 470 MHz POUT = 2.0 W VCC = 12.5 V ZIN(Ω) 2.9 + j0.6 ZCL(Ω) 15.6 – j10.2 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) 982-1202 • FAX (818) 765-3004 Specifications are subject to change without notice. REV. - 1/1