C106 Series - SCR TO-255AA 4A

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Disclaimer Notice

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Sensitive Gate Silicon Controlled Rectifier is a glassivated PNPN device designed for high volume consumer applications such as temperature; light and speed control; process and remote control; and warning systems, where reliability of operation is important.


  • Glassivated Surface for Reliability and Uniformity
  • Power Rated at Economical Prices
  • Practical Level Triggering and Holding Characteristics
  • Flat, Rugged, Thermopad Construction for Low Thermal Resistance, High Heat Dissipation and Durability
  • Sensitive Gate Triggering
  • Device Marking: Device Type, e.g., C106B, Date Code
  • Pb-Free Packages are Available*

Access specifications, certifications, check availability and order parts below

Catalog #IT(RMS) (A)VDRM (V)IGTMAX (mA)ITSM 60Hz
Partner ECAD ModelsStockSamplesCompare
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
C106BG THY C77 4A 200V SCR RoHS No 09/07/2017 PbFree No 09/07/2017 Yes
C106D1G THY C77 4A 400V SCR RoHS No 09/07/2017 PbFree No 09/07/2017 CoC_RoHS9_C106D1G REACH_SVHC Declaration (Contain)_C106D1G Yes
C106DG THY C77 4A 400V SCR RoHS No 11/10/2017 PbFree No 11/10/2017 CoC_RoHS9_C106DG REACH219_Declaration_(Contain)_C106DG Yes
C106M1G THY C77 4A 600V SCR RoHS No 05/01/2018 PbFree No 05/01/2018 REACH181_Declaration_C106M1G Yes
Does not Contain
C106MG THY C77 4A 600V SCR RoHS No 10/08/2017 PbFree No 10/08/2017 CoC_RoHS9_C106MG Yes
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