Diac and Triac Course
Gain mastery in DIAC and TRIAC for dimmer circuits, progressing from basic operations to deployable designs. Cover phase control, interference mitigation, heat control, safety protocols, testing procedures, and diagnostics to develop stable, flicker-free AC lighting and power regulation systems that meet real-world demands.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course equips you with hands-on skills to build and optimize dependable AC dimmer circuits using DIAC and TRIAC. You will explore core device principles, phase control techniques, signal waveforms, and distortion effects. Advance to handling interference, heat dissipation, and compliance standards. Follow structured design processes, validation tests, and fault-finding methods to confidently produce durable, factory-grade dimming systems.
Elevify advantages
Develop skills
- Master DIAC/TRIAC basics: structure, ratings, and datasheet interpretation.
- Design phase-angle dimming: RC networks and firing for precise lamp dimming.
- Manage EMI and heat: snubbers, filters, heatsinks for reliable operation.
- Ensure mains safety: creepage distances, earthing, PPE in dimmer builds.
- Test and troubleshoot: check trigger current, angle, resolve flicker and 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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