140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 SD1224 RF AND MICROWAVE TRANSISTORS VHF FM APPLICATIONS Features * * * * * * * 175 MHz 28 VOLTS CLASS C COMMON EMITTER EFFICIENCY 60% MIN. POUT = 40 W MIN. GP = 7.6 dB GAIN DESCRIPTION: The SD1224 is an epitaxial silicon NPN planar transistor designed primarily for 28 V FM Class C RF amplifiers utilized in ground station transmitters. This device utilizes ballasted emitter resistors and improved metallization systems to achieve optimum load mismatch capability. ABSOLUTE MAXIMUM RATINGS (Tcase = 25C) Symbol Parameter Value Unit VCBO Collector-Base Voltage 65 V VCEO Collector-Emitter Voltage 35 V VEBO Emitter-Base Voltage 4.0 V Device Current 5.0 A Power Dissipation 60 W IC PDISS TJ Junction Temperature +200 C T STG Storage Temperature -65 to +150 C THERMAL DATA RTH(j-c) Junction-Case Thermal Resistance 2.9 C/W 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. SD1224 ELECTRICAL SPECIFICATIONS (Tcase = 25 C) STATIC Symbol Value Test Conditions Min. Typ. Max. Units BVCBO IC = 10 mA IB = 0 mA 65 V BVCES IC = 200 mA VBE = 0 V 65 V BVCEO IC = 200 mA IB = 0 mA 35 V BVEBO IE = 10 mA IC = 0 mA 4.0 V ICES VCE = 30 V IE = 0 mA 10 mA ICBO VCB = 30 V IE = 0 mA 1 mA hFE VCE = 5 V IC = 500 mA 5 200 DYNAMIC Symbol Value Test Conditions Min. Typ. Max. Units POUT f = 175 MHz PIN = 7.0 W VCE = 28 V 40 W GP f = 175 MHz PIN = 7.0 W VCE = 28 V 7.6 dB C f = 175 MHz PIN = 7.0 W VCE = 28 V 60 % COB f = 1 MHz VCB = 30 V 65 IMPEDANCE DATA PIN (W) POUT (W) ZIN ( ) ZCL ( ) 2.0 28.5 0.85 + j 1.20 3.25 + j 7.05 4.0 43.0 1.02 + j 1.32 4.45 + j 5.40 6.0 53.0 1.01 + j 1.42 5.25 + j 4.42 8.0 60.5 1.05 + j 1.35 5.45 + j 4.12 Test Conditions: VCE = 28 V f = 175 MHz 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. pF SD1224 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.