If we alter the connection between T1 and gate of a TRIAC (BT139 600E) then what will be the effect

Discussion in 'General Electronics Chat' started by rumman_bd, Oct 8, 2016.

  1. rumman_bd

    Thread Starter New Member

    Oct 4, 2016
    In a Ceiling Fan Speed Regulator circuit by mistaken T1 and Gate connection is altered but regulator is still working good. What will be the long term effect ? In the image proper connection is drown.

  2. AlbertHall

    Distinguished Member

    Jun 4, 2014
    Are you really, really, sure they are swapped? If they were I would expect the load to receive full power all time regardless of the pot settings and, depending on your load current and the triac and diac ratings, either or both may have a very short life.