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 perform rigorous testing and debugging 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 troubleshooting methods build your ability to develop durable, 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 solutions using snubbers, filters, and heatsinks.
- Adhere to mains safety practices like creepage distances, grounding, and protective equipment.
- Conduct testing and troubleshooting for IGT, firing angles, flicker, EMI, and firing faults.
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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