LS4391 Single N-Channel JFET switch Linear Systems replaces discontinued Siliconix 2N4391 FEATURES  DIRECT REPLACEMENT FOR SILICONIX 2N4391  LOW ON RESISTANCE  rDS(on) ≤ 30Ω  LOW GATE OPERATING CURRENT  ID(off) = 5pA  FAST SWITCHING  t(ON) ≤= 15ns  LS4391 Benefits: ABSOLUTE MAXIMUM RATINGS1 @ 25°C (unless otherwise noted)  ƒ Low Error Voltage Maximum Temperatures  ƒ High-Speed Analog Circuit Performance Storage Temperature  ‐65°C to +200°C  ƒ Negligible “Off-Error,” Excellent Accuracy ƒ Good Frequency Response, Low Glitches Operating Junction Temperature  ‐55°C to +200°C  ƒ Eliminates Additional Buffering Maximum Power Dissipation  Continuous Power Dissipation   350mW  LS4391 Applications: ...

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