Diac and Triac Course
Gain expertise in DIAC and TRIAC-based dimmer circuits, from core principles to deployable designs. Master phase control techniques, manage EMI and heat effectively, ensure safety standards, and apply testing and troubleshooting for stable, flicker-free mains-powered lighting and control applications.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This course equips you with hands-on skills to design and optimise reliable AC dimmer circuits using DIACs and TRIACs. You'll cover device basics, phase-angle control, waveform analysis, and harmonic effects, progressing to EMI mitigation, thermal management, and safety compliance. Guided design processes, testing protocols, and fault-finding methods build your ability to deliver production-grade dimmer systems.
Elevify advantages
Develop skills
- Master DIAC and TRIAC fundamentals, including structure, ratings, and datasheet interpretation.
- Design phase-angle dimming with RC networks for precise firing angles and smooth load control.
- Implement EMI suppression and thermal management using snubbers, filters, and heatsinks.
- Adhere to mains safety practices like creepage distances, earthing, and protective equipment.
- Conduct testing and debugging to validate trigger currents, angles, and resolve flicker or EMI issues.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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