BT137X-600D
Planar passivated very sensitive gate four quadrant triac in a SOT186A (TO-220F) "full pack" plastic package intended for use in general purpose bidirectional switching and phase control applications, where high sensitivity is required in all four quadrants. This very sensitive gate "series D" triac is intended to be interfaced directly to microcontrollers, logic integrated circuits and other low power gate trigger circuits.