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Showing flash problem with LED lamp with TRIAC based on/off circuit

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venkaty

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We are doing home automation project in that we need snubber for both resistive and inductive load. If we connect less than 5W load(Bulb) it is keep on glowing without switch on. Whether i need to design a snubber for Low Watts? If so, Please Suggest the corresponding formula for design a snubber for different value of loads0sj7s.png
 

KlausST

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Hi,

calculate the impedance of the snubber-C: Xc

(For ease of calculation you may neglect snubber-R)
Then you may calculate the "leakage" current flowing through your snubber.

Klaus
 

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