140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1261 RF & MICROWAVE TRANSISTORS VHF MOBILE APPLICATIONS • • • • • • • Features 175 MHz 12.5 VOLTS POUT = 15 WATTS Gp = 12 dB MINIMUM INPUT IMPEDANCE MATCHING COMMON EMITTER CONFIGURATION DESCRIPTION: The MS1261 is a Class C 12.5V epitaxial silicon NPN planar transistor designed primarily for UHF communications. This devices utilizes a gold metallized, emitter ballasted die geometry for superior reliability and infinite VSWR capability. ABSOLUTE MAXIMUM RATINGS (Tcase = 25°° C) Symbol VCBO VCEO VCES VEBO IC PDISS TJ T STG Parameter Collector-Base Voltage Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value Unit 36 18 36 4.0 2.5 34 +200 -65 to +150 V V V V A W ºC ºC 8.75 ° C/W T hermal 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. MS1261 ELECTRICAL SPECIFICATIONS (Tcase = 25° 25° C) STATIC Symbol Test Conditions VBE = 0V Value Unit Min. Typ. Max. 36 --- --- V 18 --- --- V BVCES IC = 50 mA BVCEO IC = 15 mA BVEBO IE = 2.5 mA IC = 0mA 4.0 --- --- V ICBO VCE = 15 V IE = 0mA --- --- 1 mA HFE VCE = 5 V IC = 250mA 20 --- 200 --- DYNAMIC Symbol Test Conditions Value Min. Typ. Max. Unit POUT f = 175 MHz PIN = 1W VCE = 12.5V 15 --- --- W ηc f = 175 MHz PIN = 1W VCE = 12.5V 60 --- --- % GP f = 175 MHz PIN = 1W VCE = 12.5V 12 --- --- dB COB f = 1 MHz VCB = 12.5V --- --- 45 pf IMPEDANCE DATA FREQ ZIN(Ω) ZCL(Ω) 175 MHz 1.2 – j0.4 5.2 + j1.1 POUT = 15W VCC = 12.5V 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. MS1261 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.