Nxp bt series triacs to 220ab nxp bt 139 800 e a 16a 800v planar passivated sensitive gate four quadrant triac intended for use in general purpose bidirectional switching and phase control applications this sensitive gate series e triac is intended to be interfaced directly to microcontrollers logic integrated circuits and other low power gate trigger circuits typical applications include general purpose motor control general purpose switching nxp bt 139 800 e triac 16a 800v to220ab