2N639x Series - SCR TO-220AB 12A

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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.

This Silicon Controlled Rectifier is designed primarily for half-wave ac control applications, such as motor controls, heating controls and power supplies.


  • Glass Passivated Junctions with Center Gate Geometry for Greater Parameter Uniformity and Stability
  • Small, Rugged, Thermowatt Construction for Low Thermal Resistance, High Heat Dissipation and Durability
  • Blocking Voltage to 800 Volts
  • 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
2N6394G THY T0220 12A 50V SCR RoHS No 05/05/2019 PbFree No 05/05/2019 CoC_RoHS9_2N6394G REACH197_Declaration_with_Pb_2N6394G Yes
2N6394TG THY T0220 12A 50V SCR RoHS No 02/19/2018 PbFree No 02/19/2018 CoC_RoHS9_2N6394TG REACH209_Declaration_Contain-_2N6394TG Yes
Contains IPC_2N6399TG_2N6394G_2N6394TG
2N6395G THY T0220 12A 100V SCR RoHS No 10/14/2019 PbFree No 10/14/2019 CoC_RoHS9_2N6395G REACH201_Declaration_with_Pb_2N6395G Yes
2N6397TG THY T0220 12A 400V SCR RoHS No 10/17/2021 PbFree No 10/17/2021 CoC_RoHS9_2N6397TG Yes
2N6399G THY T0220 12A 800V SCR RoHS No 03/27/2019 PbFree No 03/27/2019 CoC_RoHS9_2N6399G REACH209_Declaration_Contain-_2N6399G Yes
Contains IPC_2N6399G_ver_2
2N6399TG SCR RoHS No 05/05/2019 PbFree No 05/05/2019 CoC_RoHS9_2N6399TG REACH197_Declaration_with_Pb_2N6399TG Yes
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