https://www.geyuecapacitor.com/
Geyue Electric is a manufacturer and supplier in China, specializing in the production of power capacitor, AC contactor, automatic power factor controller,...
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https://www.electronicdesign.com/technologies/industrial/boards/article/21778573/integrated-power-factor-controller-helps-create-a-small-form-factor-adapter
The NCP1901 integrated circuit from On Semiconductor combines both a power factor correction (PFC) controller and a resonant half-bridge controller in one...
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https://www.electronicdesign.com/technologies/components/lighting/lighting-systems/article/21196778/single-stage-high-power-factor-ac-dc-led-controller-for-retrofit-led-bulbs
Integrated Silicon Solution, Inc. announced the IS31LT3932, a high performance universal AC input LED Controller for the solid-state lighting (SSL) marketplace.
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