Transformerless power supply circuit

In this post I have explained many different transformerless power supply circuits using a PPC capacitor, zener diode, transistor, SCR, IC MOC3010.

12V 100mA Transformerless power supply Circuit

Are you tired of including bulky transformers to power smaller circuits? Two simple and useful configurations of small and compact power supplies using high voltage capacitors are discussed here, as well as one attempted - and failed - experiment. The first one though very compact is not spike free and not isolated from AC mains, therefore is not very practical. The second one is able to cancel of the spikes but still is dangerous as it’s not free from electric shock. The last one, was hoped…

See/Learn these transformerless power supply circuits, use capacitors instead, it smaller and lighter than transformer. There are circuits as follows.

Transformerless Power Supply (220V AC to 14V DC) circuit + pcb

The web article coolly reveals an easy Transformerless Power Supply Circuit which can be put together by almost any new hobbyist for custom-made use

This transformerless power supply circuit is designed for medium current applications. During the negative half period, the capacitor C5 is charged to

9 volt transformerless power supply Presented circuit diagram is of 9V DC 200mA transformerless power sup...

Learn how to calculate transformerless power supply circuit parameters such as voltage, current, capacitor reactance, and resistor values.

In this post I have explained many different transformerless power supply circuits using a PPC capacitor, zener diode, transistor, SCR, IC MOC3010.