Spiral LED filament lamp teardown. (With schematic.)04:33

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Published on June 30, 2017

An interesting new direction for the LED filament lamps. At first I thought these were just using a longer version of the metal filament base, but it’s a completely new style of LED filament.

Note that most of these seem to be aimed at the higher voltage European mains supply of 220V to 240V, although the design of the filament means they can easily manufacture a version with the LEDs in a different series/parallel configuration for lower voltages.
Here’s a search link for the 220-240V version. (Not suitable for America or Canada yet without a voltage doubler or dodgy 220V lighting socket.)

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