How to make light dimmer circuit 220v || led dimmer | 1000 Watts Using BT139 || By Technical Sharp
Thyristors - TRIACs TRIAC 600V 16A TO220AB
BT139 triac is passivated, sensitive gate triac in a plastic envelope, intended for use in general-purpose bidirectional switching and phase control applications. This article mainly introduces features, pinout, datasheet and other information about WeEn Semiconductors BT139.






