Monday, 11 October 2021

Transformerless power supply making process


Transformerless power supply is very commonly used in electronic devices. It convert high volte AC(220v or 110v) in to low volte DC(3v,5v,6v,9v,12v..etc) . transformerless power supply also known as capistor dropper circuit. basic principle of this circuit is capacitive resistance of capistor to step down voltage. the advantages of this circuit is small size and lite weight, it is easily adjust in small electronic device. its low price circuit.

The main component of this circuit is x-rated capistor.

 In this circuit we use 225j capistor, 100k resistance,  4 diodes, 100uf capistor and voltage regulator 7806,7812.
the circuit diagram is given below.


design circuit according to circuit diagram. 
Sold all components carefully.
use soldring station for best soldring results. 
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