Based on the results of studies in the power electronics course, it shows that learning outcomes in the power semiconductor components and inverter are not satisfactory. Innovation in teaching materials is an alternative to increasing this competency. In this paper, an e-learning courseware for power electronics courses is developed that is valid, practical, and effective. Therefore it can improve student learning outcomes and motivation. Research and development method with the Plomp development model is employed as research methodology. The research subjects were electrical engineering education students taking power electronics course. The data analysis technique used is descriptive analysis to describe the validity, practicality, and effectiveness of the e-learning courseware. The result of the research is a learning module through e-learning that is valid, practical, and effective on the component material of semiconductor and inverter power systems that can improve student learning outcomes and learning motivation.