140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1253 RF & MICROWAVE TRANSISTORS HF/VHF APPLICATIONS Features * * * * * 50 MHz 12.5 VOLTS POUT = 70 WATTS Gp = 10 dB MINIMUM COMMON EMITTER CONFIGURATION DESCRIPTION: DESCRIPTION The MS1253 is a 12.5 V Class C epitaxial silicon NPN transistor designed primarily for land mobile transmitter applications. This device utilizes emitter ballasting, is extremely stable and capable of withstanding high VSWR under operating conditions. ABSOLUTE MAXIMUM RATINGS (Tcase = 25 C) Symbol VCBO VCEO VEBO PDISS IC TJ T STG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Power Dissipation Device Current Junction Temperature Storage Temperature Value Unit 45 18 3.5 183 12.0 200 -65 to +150 V V V W A C C 1.05 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1253 ELECTRICAL SPECIFICATIONS (Tcase = 25 25 C) STATIC Symbol Value Test Conditions Min. Typ. Max. Unit BVcbo IC = 50 mA IE = 0 mA 45 --- --- V BVces IC = 100 mA VBE = 0 V 40 --- --- V BVebo IE = 10 mA 3.5 --- --- V BVceo IE = 50 mA IB = 0 mA 18 --- --- V Ices VCE = 15 V IE = 0 mA --- --- 10 mA HFE VCE = 5 V IC = 5 A 10 --- 200 --- IE = 0 mA DYNAMIC Symbol Value Test Conditions Min. Typ. Max. Unit POUT f = 50 MHz PIN = 7W VCE = 12.5V 70 --- --- W GPE f = 50 MHz PIN = 7W VCE = 12.5V 10 --- --- dB C f = 50 MHz PIN = 7W 45 --- --- % COB f = 1 MHz --- --- 300 pf VCE = 12.5V VCB = 12.5 V IMPENDANCE DATA FREQ ZIN() ZCL() 50 MHz 0.8 + j0.9 1.2 + j0.6 POUT = 70W VCE = 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1253 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. 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1253 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.