New generation LED filaments - with schematic

This is the first time I've come across LED filaments that have all the circuitry on board, and can literally be powered directly from 120V or 240V supplies. (different voltage versions)

This means that the manufacturers of the classic tungsten globe strings can use the existing machines to make the new LED filament bulbs with virtually no changes.

The use of a high number of LEDs also means that the bulbs are super-efficient and run at extremely low current (about 3mA) on 240V. The bulbs use a tenth of the power of traditional tungsten bulbs, just 0.7W of power for a bright sparkly appearance.

They are G40 style with an E12 base. You can also get full strings of these lights with cable and bulb holders, but I'm not convinced they are suitable for outdoor use with 240V due to the risk of water ingress and tracking in the sockets.

The power factor of these lights is a surprising 0.9, which is excellent. The very simple circuitry also makes them robust enough for flashing and chasing effects if used in signage.

I've got some different types on their way with the same E12 base.

The X-ray machine was courtesy of AvE:-
https://www.youtube.com/@arduinoversusevil2025

Here's a link to the listing I bought the lights from. There are other sellers of the same lights.
https://www.aliexpress.com/item/1005007172874748.html
I recommend using PayPal as a security layer when buying from AliExpress, as they keep too much card information to allow instant purchases.



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