MS1649 RF & MICROWAVE TRANSISTORS UHF CLASS C MOBILE APPLICATIONS Features * * * * 470 MHz POUT = 3W GP = 9.5dB MINIMUM COMMON EMITTER CONFIGURATION 1. Emitter 2. Base 3. Collector DESCRIPTION: TO-39 The MS1649 is a 12.5V epitaxial NPN planar transistor designed primarily for UHF communications. This device is packaged in a grounded emitter TO-39 package for increased power gain and optimum heat dissipation. ABSOLUTE MAXIMUM RATINGS (Tcase = 25C) Symbol VCBO VCEO VEBO IC PTOT TSTG TJ Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Total Power Dissipation Storage Temperature Junction Temperature Value Unit 36 16 3.5 1.0 7.8 -65 to +200 +200 V V V A W C C 35.0 C/W Thermal Data RTH(J-C) Thermal Resistance Junction-Case 053-7107 Rev - 11-2002 MS1649 ELECTRICAL SPECIFICATIONS (Tcase = 25 25C) STATIC Symbol Test Conditions Min. Value Typ. Max. Unit BVCES IC = 50mA VBE = 0 36 --- --- V BVCEO IC = 50mA IB = 0 16 --- --- V BVEBO IE = 1mA IC = 0 3.5 --- --- V ICES VCB = 12.5V VBE = 0 --- --- 1.0 mA HFE VCE = 5.0V IC =100mA 20 --- 150 --- Min. Value Typ. Max. Unit DYNAMIC Symbol Test Conditions GPE f = 470MHz POUT = 3.0W VCC = 12.5V 9.5 --- --- dB f = 470MHz POUT = 3.0W VCC = 12.5V 50 --- --- % COB f = 1.0MHz VCB = 12.5 V --- --- 12 pf IMPEDANCE DATA ZIN() ZCL() 173 MHz 3.5 + j1.2 14.0 + j10.0 458 MHz 3.3 + j3.2 11.0 + j5.7 FREQ 053-7107 Rev - 11-2002 MS1649 PACKAGE MECHANICAL DATA 053-7107 Rev - 11-2002