140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1279 RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS Features • • • • • • • 170- 230 MHz 25 VOLTS POUT = 20 WATTS GP = 8.0 dB GAIN MINIMUM GOLD METALLIZATION INTERNAL INPUT MATCHING COMMON EMITTER CONFIGURATION DESCRIPTION: The MS1279 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class AB operation in VHF and Band III television transmitters and transposers. ABSOLUTE MAXIMUM RATINGS (Tcase = 25°° C) Symbol VCEO VCES VEBO IC PDISS TJ T STG Parameter Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value Unit 35 60 4.0 8.0 140 +200 -65 to +150 V V V A W °C °C 1.5 ° C/W Thermal Data RTH(J-C) Thermal Resistance Junction-case Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct. MS1279 ELECTRICAL SPECIFICATIONS (Tcase = 25° 25° C) STATIC Symbol Test Conditions Value Min. Typ. Max. Unit BVCBO IC = 50mA IE = 0mA 65 --- --- V BVCER IC = 50mA RBE = 10Ω Ω 60 --- --- V BVCEO IC = 50mA IB = 0mA 35 --- --- V BVEBO IE = 10mA IC = 0mA 4.0 --- --- V ICES VCE = 50V IE = 0mA --- --- 5 mA HFE VCE = 5V IC = 1A 20 --- 120 --- DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit POUT f = 225 MHz VCE = 25 W IC = 2.5 mA 20 --- --- W GP f = 225 MHz VCE = 25 W IC = 2.5 mA 8.0 --- --- dB IMD3 POUT = 14W VCE = 25 W IC = 2.5 mA --- -55 --- dBc COB f =1 MHz VCB = 30 V --- --- 85 pF Note: * dB compression IMPEDANCE DATA FREQ ZIN(Ω) ZCL(Ω) 150 MHz 1.0 + j1.0 9.0 + j5.0 250 MHz 1.0 + j2.0 6.0 + j6.0 VCE = 28V IC = 2.5A POUT = 20W Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct. MS1279 TYPICAL PERFORMANCE Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct. MS1279 PACKAGE MECHANICAL DATA Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.