I read everywhere that the disadvantages of a transformerless power supply;
it only supplies small curent....
can anyone help me in the uploaded schematic to tell me if there is a problem in such a cuircuit to supply 5A....
I read everywhere that the disadvantages of a transformerless power supply;
it only supplies small curent....
can anyone help me in the uploaded schematic to tell me if there is a problem in such a cuircuit to supply 5A....
hi,
The cost of buying caps to make up 70uF is very expensive and very bulky.!
You would need about five 16uF 250Vac motor start caps, thats about £100ish.
Also the zener diode would have to conduct 5A when the load is disconnected, thats approx 5V *5A = 25Watt! zener,
Its a very bad idea.
Buy a 9V 5A mains transformer. say 50VA for about £10 and make a safe power supply.