Part Number : BTA204S-800E ( marking 204S8E )
Function : 3Q Hi-Com Triac
Package : SOT-252
Maker : NXP Semiconductors.
Planar passivated high commutation three quadrant triac in a SOT428 (DPAK) surface-mountable plastic package. This "series E" triac balances the requirements of commutation performance and gate sensitivity and is intended for interfacing with low power drivers and logic ICs including microcontrollers.