SD1894 Datasheet | STMicroelectronics

DESCRIPTION The SD1894 is a mon base silicon NPN bipolar . device optimized for 1.6 GHz SAT applications. The SD1894 offers superior gain and collector efficiency, making it an ideal choice for Class C power amplifiers used in portable as well as fixed SAT terminals. 1. Collector 2. Emitter 3. Base Data Shee ABSOLUTE MAXIMUM RATINGS (T case = 25°C) Symbol Parameter Valu e Unit VCBO VCES VEBO IC PDISS TJ TSTG Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature 45 45 3.0 375 12.5 +200 - 65 to +150 V V V m A W °C °C THERMAL DATA RTH(j-c) . February 4, 1997 1/4 Junction-Case Thermal Resistance °C/W . Data Sheet 4 U . .. ELECTRICAL SPECIFICATIONS (T case = 25°C) STATIC Symbol Test Conditions Min. Value Typ. Max. Unit BVCBO BVCES BVEBO ICBO h FE IC = 1 m A IC = 1 m A IE = 1 m A VCB = 28 V VCE = 5 V IE = 0 m A VBE = 0 V IC = 0 m A IE = 0 m A IC = .2 A 45 45 3.0 - 15 - - - - - - - - .25 150 V V V m A - DYNAMIC Symbol Test Conditions Min. Value Typ. Max. Unit PIN ηc PG f = 1650 MHz f = 1650 MHz f = 1650 MHz VCC = 28 V VCC = 28 V VCC = 28 V POUT = 4.5 W POUT = 4.5 W POUT = 4.5 W POUT = 4.5 W VSWR = 20:1 - 50 10.0 .35 55 11.1 .45 - -...