逻辑电平四象限三端双向可控硅 Logic level four-quadrant triac
By triggering a current you can turn this thyristor manufactured from Semiconductors on and keep it on by applying a forward-biased voltage.
得捷:
TRIAC SENS GATE 800V 1A TO92-3
艾睿:
Thyristor TRIAC 800V 8.5A 3-Pin TO-92 T/R