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TI TIL198B Dual-Channel Optocoupler/Optoisolator

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Ti - Ti Til198B Optoisolator O Ptocupler IC

TI TIL198B  Dual-Channel Optocoupler/Optoisolator

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These optocouplers consist of a gallium-arsenide light-emitting diode and a silicon n-p-n Darlington phototransistor per channel. The TIL197 has one channel in a 4-pin package, the TIL198 has two channels in a 8-pin package, and the TIL199 has four channels in a 16-pin package. The standard devices, TIL197, TIL198, and TIL199, are tested for a current-transfer ratio of 500% minimum. Devices selected for a current-transfer ratio of 1000% and 1500% minimum are designated with the suffixes A and B, respectively.


  • Gallium-Arsenide Diode Infrared Source
  • Source is Optically Coupled to Silicon N-P-N Darlington Phototransistor
  • Choice of One, Two or Four Channels
  • Choice of Three Current-Transfer Ratios
  • High-Voltage Electrical Isolation 3.535 kV Peak (2.5 kV rms)
  • Plastic Dual-In-Line Packages
  • UL Listed - File #E65085

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