Symbols of thyristors, triac and diac

The Thyristors are semiconductors of four caps that are activated by application of an impulse and are deactivated on not having supplied the current of work. They handle big powers. They are recognized by the English initials SCR.
The triac and diac are bidirectional semiconductor devices.

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SYMBOLS OF ELETRONIC SENSORS, TRANSDUCERS...

The transducers, sensors and electrical and electronic detectors are elements that are activated by the energy delivered by a system and that in turn deliver another type of energy to another different system. The transformed energy may be physical, chemical or biological origin.

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