BT169 BT169 series Thyristors logic level Rev. 04 ― 23 August 2004 Product data sheet 1. Product prole 1.1 General description Passivated, sensitive gate thyristors in a SOT54 plastic package. 1.2 Features s Designed to be interfaced directly to microcontrollers, logic integrated circuits and other low power gate trigger circuits. 1.3 Applications s General purpose switching and phase control applications. 1.4 Quick reference data s VDRM, VRRM ≤ 200 V (BT169B) s IT(RMS) ≤ 0.8 A ……