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Triacs

Triacs
Triacs
A TRIAC, or triode for alternating current, is a three terminal electronic switch that conducts current in two directions. Because they can switch current in both directions, they are useful for switching alternating current and controlling the average current that flows into a load. This allows triac control components to control the speed of motors, dim lamps, and adjust electric heaters.

Triacs are similar to thyristors in that they are used as solid state switching devices, but with the added benefit of being able to trigger with both positive and negative voltages applied to the anode. This allows for full-wave power control without additional components or complex wiring.

Bidirectional switching makes triac controls ideal for basic AC switching to start/stop a motor or turn on/off a lamp. They are also capable of phase control and can vary the amount of power supplied to a load, useful for motor speed control applications.

TG Series Image
  • 16~70 Amps
  • 400~600 Volts
  • TO-238AB
The TG series are isolated moled Triacs suitable for a wide range of applications like copiers, Microwave ovens, solid state switches, motor control, light control, and heater control.
TSR Series Image
  • 50~100 Amps
  • 600 Volts
  • JEDEC TO-240AA Standard Package
The TSR Series Triacs are designed for full wave AC control applications. They can be used as an On/Off function for phase control operations. Typical applications include copiers, microwave ovens, solid state switching, motor control, light control, and heater control.
  • Glass Passivated Junction Features
  • High Surge Current
  • UL Registered, File E76102
TMG Series Image
  • 5~40 Amps
  • 400~600 Volts
  • TO-220AB
The TMG series are full molded Triacs suitable for a wide range of applications like copiers, Microwave ovens, solid state switches, motor conrol, light control, and heater control.
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