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| 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 45 18 3.5 183 12.0 200 -65 to +150 Unit V V V W A C C Thermal Data RTH(J-C) Thermal Resistance Junction-case 1.05 C/W MSCXXXX.PDF 01-19-99 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1253 ELECTRICAL SPECIFICATIONS (Tcase = 25 C) 25 Symbol BVcbo BVces BVebo BVceo Ices HFE IC = 50 mA IC = 100 mA IE = 10 mA IE = 50 mA VCE = 15 V VCE = 5 V STATIC Test Conditions Min. IE = 0 mA VBE = 0 V IE = 0 mA IB = 0 mA IE = 0 mA IC = 5 A 45 40 3.5 18 --10 Value Typ. ------------- Max. --------10 200 Unit V V V V mA --- DYNAMIC Symbol POUT GPE C Cob f = 50 MHz f = 50 MHz f = 50 MHz f = 1 MHz Test Conditions Min. PIN = 7W PIN = 7W PIN = 7W VCB = 12.5 V VCE = 12.5V VCE = 12.5V VCE = 12.5V 70 10 45 --- Value Typ. --------- Max. ------300 Unit W dB % pf IMPENDANCE DATA FREQ 50 MHz POUT = 70W VCE = 12.5V ZIN() ) 0.8 + j0.9 ZCL() ) 1.2 + j0.6 MSCXXXX.PDF 01-19-99 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 MS1253 PACKAGE MECHANICAL DATA MSCXXXX.PDF 01-19-99 |
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