The BTA204S-600C.118 is a high temperature, 600V, 18A TRIAC switch manufactured by WeEn Semiconductor. It is designed to control the current in AC circuits, providing fast turn-on and short circuit protection in applications such as power supplies, home appliances, light dimming, and motor control. It features bidirectional triggering, ultrafast tuon-off, and a low minimum gate current. Additionally, it is thermally enhanced for improved long term stability in higher temperatures and comes in a DPAK package for easy mounting.