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OptoMOS Power Relays

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OptoMOS® power relays serve as highly reliable dc switches in electric motors, flow meters, medical equipment, robotics, and vehicles. The integrated circuits made by Littelfuse subsidiary IXYS consist of LED-controlled semiconductors and MOSFETs. Using the normally open (Form-A) relays with heat sinks boosts load current handling capabilities. Consult the Littelfuse Integrated Circuits Selection Guide to identify the best relay for your application.
  • Blocking voltage (Vp) ratings from 60 V to 1 kV
  • Available with a wide range of load current ratings in free air, from 650 mA to 9 A
  • Available with a higher range of load current ratings when used with heat sinks, from 1.6 A to 22.8 A
  • Available with very low and low on-state resistance ratings, from 50 mΩ to 3 Ω
  • 2.5 kVrms isolation voltage
  • UL-recognized
  • Devices with unidirectional and bidirectional outputs available
  • Low drive current requirements
  • Use of direct copper bond ceramic substrates delivers low thermal impedance
  • Generate no electromagnetic or radiofrequency interference
  • Galvanic input-to-output isolation
  • International standard 4-pin and 8-pin designs

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