2N640x Series - SCR TO-220AB 16A

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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, or wherever half-wave silicon gate-controlled, solid-state devices are needed.


  • 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
  • Device Marking: Logo, Device Type, e.g., 2N6400, 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
2N6401G THY T0220 16A 100V SCR RoHS No 11/06/2018 PbFree No 11/06/2018 CoC_RoHS9_2N6401G Yes
2N6402G THY T0220 16A 200V SCR RoHS No 01/04/2022 PbFree No 01/04/2022 CoC_RoHS9_2N6402G Yes
2N6404G THY T0220 16A 600V SCR RoHS No 05/18/2018 PbFree No 05/18/2018 CoC_RoHS9_2N6404G Yes
2N6405G THY T0220 16A 800V SCR RoHS No 08/26/2019 PbFree No 08/26/2019 CoC_RoHS9_2N6405G-A REACH219_Declaration_(Contain)_2N6405G Yes
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