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| U309 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix U309 The U309 is a high frequency n-channel JFET offering a wide range and low noise performance. The hermetically sealed TO-18 package is well suited for high reliability and harsh environment applications. (See Packaging Information). FEATURES DIRECTREPLACEMENTFORSILICONIXU309 OUTSTANDINGHIGHFREQUENCYGAIN LOWHIGHFREQUENCYNOISE ABSOLUTEMAXIMUMRATINGS@25C1 Gpg =11.5dB NF=2.7dB MaximumTemperatures StorageTemperature 55Cto+150C High Power Low Noise gain OperatingJunctionTemperature 55Cto+135C Dynamic Range greater than 100dB MaximumPowerDissipation Easily matched to 75 input ContinuousPowerDissipation 500mW U309 Applications: MAXIMUMCURRENT GateCurrent 10mA UHV / VHF Amplifiers MAXIMUMVOLTAGES Mixers GatetoDrainVoltageorGatetoSourceVoltage 25V Oscillators U309ELECTRICALCHARACTERISTICS@25C(unlessotherwisenoted) SYMBOL CHARACTERISTIC MIN TYP. MAX UNIT CONDITIONS BVGSS GatetoSourceBreakdownVoltage 25 V VDS=0V,IG=1A VGS(F) GatetoSourceForwardVoltage 0.7 1 VDS=0V,IG=10mA VGS(off) GatetoSourceCutoffVoltage 1 4 VDS=10V,ID=1nA IDSS DraintoSourceSaturationCurrent2 12 30 mA VDS=10V,VGS=0V IG GateOperatingCurrent(Note3) 15 pA VDG=9V,ID=10mA rDS(on) DraintoSourceOnResistance 35 VGS=0V,ID=1mA U309DYNAMICELECTRICALCHARACTERISTICS@25C(unlessotherwisenoted) SYMBOL CHARACTERISTIC MIN TYP. MAX UNIT CONDITIONS gfs ForwardTransconductance 10 14 mS VDS=10V,ID=10mA,f=1kHz gos OutputConductance 110 250 S Ciss InputCapacitance 4 5 pF VDS=10V,VGS=10V,f=1MHz Crss ReverseTransferCapacitance 1.9 2.5 en EquivalentNoiseVoltage 6 nV/Hz VDS=10V,ID=10mA,f=100Hz U309HIGHFREQUENCYCHARACTERISTICS@25C(unlessotherwisenoted) SYMBOL CHARACTERISTIC MIN TYP MAX UNIT CONDITIONS U309 Benefits: Click To Buy NoiseFigure PowerGain3 ForwardTransconductance OutputConductance f=105MHz f=450MHz f=105MHz f=450MHz f=105MHz f=450MHz f=105MHz f=450MHz 1.5 2.7 16 11.5 14 13 0.16 0.55 dB dB mS Available Packages: U309 in TO-18 U309 in bare die. TO-18 (Bottom View) NF Gpg gfg gog VDS=10V,ID=10mA Note1AbsolutemaximumratingsarelimitingvaluesabovewhichU309 serviceabilitymaybeimpaired. Note2Pulsetest:PW300s,DutyCycle3% Note3Measuredatoptimuminputnoisematch Micross Components Europe Tel: +44 1603 788967 Email: chipcomponents@micross.com Web: http://www.micross.com/distribution Please contact Micross for full package and die dimensions Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems. www..com Micross Components Ltd, United Kingdom, Tel: +44 1603 788967, Fax: +44 1603788920, Email: chipcomponents@micross.com Web: www.micross.com/distribution.aspx |
Price & Availability of U309
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