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LSJ309

Micross

Amplifier

LSJ309 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix J309 The LSJ309 is a high frequency n-channel JFET...



LSJ309

Micross


Octopart Stock #: O-700001

Findchips Stock #: 700001-F

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Description
LSJ309 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix J309 The LSJ309 is a high frequency n-channel JFET offering a wide range and low noise performance. The SOT-23 package is well suited for cost sensitive applications and mass production. (See Packaging Information). FEATURES  DIRECT REPLACEMENT FOR SILICONIX J309  OUTSTANDING HIGH FREQUENCY GAIN   LOW HIGH FREQUENCY NOISE  ABSOLUTE MAXIMUM RATINGS @ 25°C1   Gpg = 11.5dB  NF = 2.7dB  Maximum Temperatures  Storage Temperature  ‐55°C to +150°C  ƒ High Power Low Noise gain Operating Junction Temperature  ‐55°C to +135°C  ƒ Dynamic Range greater than 100dB Maximum Power Dissipation  ƒ Easily matched to 75Ω input Continuous Power Dissipation   350mW  LSJ309 Applications: MAXIMUM CURRENT Gate Current  10mA  ƒ UHV / VHF Amplifiers MAXIMUM VOLTAGES  ƒ Mixers Gate to Drain Voltage or  Gate to Source Voltage   ‐25V  ƒ Oscillators         LSJ309 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL  CHARACTERISTIC  MIN  TYP.  MAX  UNIT  CONDITIONS  BVGSS  Gate to Source Breakdown Voltage  ‐25  ‐‐  ‐‐  V  VDS = 0V, IG = ‐1µA  VGS(F)  Gate to Source Forward Voltage  0.7  ‐‐  1  VDS = 0V, IG = 10mA  VGS(off)  Gate to Source Cutoff Voltage  ‐1  ‐‐  ‐4  VDS = 10V,  ID = 1nA  IDSS  Drain to Source Saturation Current2  12  ‐‐  30  mA  VDS = 10V, VGS = 0V  IG  Gate Operating Current (Note 3)  ‐‐  ‐15  ‐‐  pA  VDG = 9V,  ID = 10mA  rDS(on)  Drain to Source On Resistance  ‐‐  35  ‐‐  Ω  VGS = 0V,  ID = 1mA          ...




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