AC to DC Converter Circuit diagram - Simple Electronic Project
Introduction
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Diagram of Transformerless Power Supply Circuit
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Components Needed for this Project:
You can get the components from any of the sites below:
- 225J (400V) Capacitor [See Buy Click Amazon]
- 100 Ohm 2 watt Resistor [See Buy Click Amazon]
- 1N4007 Doide [See Buy Click Amazon]
- 12V Zener Diode [See Buy Click Amazon]
- 3.3uF (50V) Capacitor [See Buy Click Amazon]
*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!
Related Basic Electronic Mini Project Circuit Diagram:
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Working Principle
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Frequently asked questions
Definition: A transformerless power supply converts high AC input voltage (120V or 230V) to the desired output DC low voltage (3V, 5V, or 12V) with low current output in milliamps.
The main component of a transformerless power supply circuit is a voltage-dropping capacitor, or X-rated capacitor, which is specially designed for AC mains. This X-rated capacitor is connected in series to a phase line of AC to drop the voltage.
Thus, the output of the transformer gives alternating current (AC) and not direct current (DC) line. Q. A transformer is designed to convert an AC voltage of 220 V to an AC voltage of 12V dc line. If the input terminals are connected to a DC voltage of 220V, the transformer 12v dc usually burns.
Distribution transformers always operate at a load less than the rated full load. Power transformers always operate at full load. Distribution transformers are designed to give maximum efficiency at 60 to 70% of the rated load. Power transformers have maximum efficiency at full load system.
Transformers work on the magnetic effect of current. Since DC doesn't have any magnetic field, it will not get stepped up or down. So you will get 0 volts at the output. It is very simple. You will have no output.
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