Path: ...!2.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: ehsjr Newsgroups: sci.electronics.repair Subject: Re: 6v pilot lamp Date: Wed, 13 Mar 2024 15:23:58 -0400 Organization: A noiseless patient Spider Lines: 27 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 13 Mar 2024 19:23:59 -0000 (UTC) Injection-Info: news.eternal-september.org; posting-host="bfba7f993d02b40151634be043763ce0"; logging-data="1175645"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19sTzLElov5XA8EV+mvg7CV" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:rpwQ2hafhMv/YCNh3r/p0ND/J/0= In-Reply-To: Content-Language: en-US Bytes: 1998 On 3/13/2024 11:11 AM, UFO wrote: > Trying to locate replacement bulbs for an old Wards / Airline transistor > radio, they are 6.3V > but only 20mA rated. Higher rated current lamps are out there, but in this > design they dim the bulb when you tune a station, so looks like they > must be that > rating, which also saves battery power. > > I thought an 1175 lamp would do but the current is wrong. It has to be a T5 > screw type > socket. Could not locate a bulb number for it...any ideas? > > This is a pic.  https://ibb.co/Bzxt7mb > > The front bulb is what came out of the radio 6.3v 20mA. The back one is a > type 47, 6-8v 100mA way to big. > > Might be time to consider replacing the bulb with an LED and series current limiting resistor. The mechanical part - mounting the LED - might be a little challenging, but determining the resistor size is straight forward. If you're not sure of that, we can help you here. Ed