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Path: ...!2.eu.feeder.erje.net!3.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Pimpom <Pimpom@invalid.invalid> Newsgroups: sci.electronics.design Subject: Re: 9W LED inrush current Date: Wed, 2 Oct 2024 17:33:07 +0530 Organization: A noiseless patient Spider Lines: 15 Message-ID: <vdjcpr$37dnn$1@dont-email.me> References: <mN5LO.101241$CStb.23546@fx12.ams1> <vdj532$1m9e0$1@solani.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Wed, 02 Oct 2024 14:03:07 +0200 (CEST) Injection-Info: dont-email.me; posting-host="b48f49b4283c8575e33547ce3e6277cc"; logging-data="3389175"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+rz8qpVIewaSy26OUO3gNf" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:F2TOW54Mlr/ODOemf/k8Ex2ztSc= In-Reply-To: <vdj532$1m9e0$1@solani.org> Content-Language: en-US Bytes: 1849 On 02-10-2024 03:21 pm, Jan Panteltje wrote: > On a sunny day (Wed, 2 Oct 2024 12:01:47 +0530) it happened Pimpom > <Pimpom@invalid.invalid> wrote in <mN5LO.101241$CStb.23546@fx12.ams1>: > >> Does anyone have a figure for the switch-on inrush current of a typical >> 9W LED bulb? Preferably for 230/240V. > > Not sure wat the 'typical' circuit is, this is wha tI found in my LED bulbs from Cina: > https://panteltje.nl/pub/LED_light_circuit_diagram_IMG_6925.JPG > peak current is limited by the 1uF series cap at 50 Hz here. > There are so many different LEDs around,... > Ah, I should have formed my question more carefully. I know about those early bulbs. They were the precursors to modern ones that use switching supplies. These later models are the ones I mean.