Diac and Triac Course
Gain mastery in diac and triac-based dimmer design, from core principles to deployable circuits. Delve into phase-angle control, EMI and thermal management, safety protocols, testing procedures, and troubleshooting strategies to engineer reliable, flicker-free mains-powered lighting and control systems that meet production standards.

from 4 to 360h flexible workload
certificate valid in your country
What will I learn?
This course equips you with hands-on skills to design and optimise dependable AC dimmer circuits using diacs and triacs. You will explore device basics, phase-angle control, waveform characteristics, and harmonic effects, progressing to EMI mitigation, thermal handling, and safety compliance. Via structured design processes, testing protocols, and fault-finding methods, you will build expertise in developing sturdy, market-ready 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 lamp dimming.
- Implement EMI suppression and thermal management using snubbers, filters, and heatsinks.
- Adhere to mains safety standards with proper creepage, grounding, and PPE practices.
- Conduct testing and debugging to validate IGT, firing angles, and resolve flicker, EMI, or misfires.
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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