MCR8S Series - SCR TO-220AB 8A

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The Silicon Controlled Rectifier is designed primarily for half-wave ac control applications, such as motor controls, heating controls, and power supplies; or wherever half-wave, silicon gate-controlled devices are needed.


  • Sensitive Gate Allows Triggering by Microcontrollers and other Logic Circuits
  • Blocking Voltage to 800 Volts
  • On-State Current Rating of 8 Amperes RMS at 80°C
  • High Surge Current Capability - 80 Amperes
  • Rugged, Economical TO220AB Package
  • Glass Passivated Junctions for Reliability and Uniformity
  • Minimum and Maximum Values of IGT, VGT and IH Specified for Ease of Design
  • Immunity to dv/dt - 5 V/µsec Minimum at 110°C
  • Pb-Free Packages are Available

Access specifications, certifications, check availability and order parts below

Catalog #IT(RMS) (A)VDRM (V)IGTMAX (mA)ITSM 60Hz
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Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
MCR8SDG SCR TO-220AB 8A 400V RoHS No 09/23/2020 PbFree No 09/23/2020 CoC_RoHS9_MCR8SDG_9-24-2020 REACH209_Declaration_-Contain-_MCR8SDG_9-24-2020 Yes
MCR8SNG SCR TO-220AB 8A 800V RoHS No 01/16/2018 PbFree No 01/16/2018 CoC_RoHS9_MCR8SNG_08-14-2018 REACH209_Declaration_-Contain-_MCR8SNG_9-1-2020 Yes
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