BT169DH Datasheet, NXP

* Planar passivated for voltage ruggedness and reliability
* Sensitive gate
* Direct triggering from low power gate circuits and logic ICs 3. Applications

* Ignition circuits
* Lighting ballasts
* Protection circuits
* Switched Mode Power Supplies 4. Quick r.

Planar passivated Silicon Controlled Rectifier with sensitive gate in a SOT54 (TO-92) plastic package. This SCR is designed to be interfaced directly to microcontrollers, logic ICs and other low power gate trigger circuits. 2. Features and benefits .