Market Demands

  • Dimmer must work with Incandesant, CFL and LED lamps
  • No flickering at low power setting
  • High reliability
  • Mounting of dimmer is in the wall, triac must be able to handle high temperatures
  • Space reduction, smaller triac heatsink

Application Focus

WeEn Solutions

  • WeEn Triacs are Planar Passivated, for best high voltage and high temperature ruggedness
  • Temperature and Overload Protected Triac (TOPTriac) features self-protection against over-temperature
  • WeEn triacs feature low VT, for low conduction losses
  • High Junction Temperature versions are available, 150°C
  • Three TO220 package variants available:
TO220, SOT78
Internally Insulated TO220, SOT78D
TO220F, SOT186A

For more info…

System Overview

Highlight Products

4-Quadrant Triac

For 230V AC: BT137X-600D


3-Quadrant Triac

For 120V AC: BTA412Y-600ET