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| 140 COMMERCE DRIVE MONTGOMERYVILLE, PA 18936-1013 PHONE: (215) 631-9840 FAX: (215) 631-9855 SD1444 RF & MICROWAVE TRANSISTORS 450-512MHz CLASS C MOBILE APPLICATIONS * * * * * Features 470 MHz 12.5 VOLTS POUT = 4.0 WATTS GP = 12.0 dB MINIMUM COMMON EMITTER 1. Emitter 2. Base 3. Collector DESCRIPTION: The SD1444 is a 12.5V epitaxial silicon 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. TO-39 ABSOLUTE MAXIMUM RATINGS (Tcase = 25 C) Symbol VCBO VCEO VEBO IC Ptot T STG TJ Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter - Base Voltage Collector Current Total Power Dissipation Storage Temperature Junction Temperature Value 36.0 16.0 4.0 0.40 5.0 -65 + 200 +200 Unit V V V A W C C THERMAL DATA RTH(J-C) Junction-case Thermal Resistance 35.0 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. SD1444 ELECTRICAL SPECIFICATIONS (Tcase = 25 C) 25 Symbol BVCES BVCEO BVEBO ICBO HFE IC = 50 mA IC = 50 mA IE = 1 mA VCB = 15 V VCE = 5 V STATIC Test Conditions VBE = 0 IB = 0 IC = 0 IE = 0 IC = 50 mA Min. 36 16 4.0 --20 Value Typ. ----------- Max. ------1.0 200 Unit V V V mA --- DYNAMIC Symbol POUT GPE Cob f = 470 MHz f = 470 MHz VCE = 15.0 V Test Conditions VCE = 12.5 V VCE = 12.5 V f = 1 MHz IE = 0 Min. 2.0 8.0 --- Value Typ. ------- Max. ----15.0 Unit W dB pf IMPEDANCE DATA FREQ 470 MHz POUT = 2W VCC = 12.5V ZIN() ) 2.9 + j 0.6 ZCL() ) 15.6 - j 10.2 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. SD1444 TEST CIRCUIT 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. SD1444 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. |
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