as a guide only – please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application. ECC85 Ratings. Page 1. Page 2. Page 3. ECC85 Datasheet PDF Download – Double Triode, ECC85 data sheet.

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Media related to Valvo gas discharge tubes at Wikimedia Commons. Collection of Ottmar Rollmann D. Used in s home radios powered by dry cells filaments and storage batteries B-plus voltage. This system consists of one or more letters followed by a sequentially assigned number [21].

High-power RF power tubes are directly heated; the heater voltage must be much smaller than the signal voltage on the grid and is therefore in the A few special-quality tubes did not have a standard equivalent, e. Retrieved 26 Dec Text in other languages may differ.


Golden Middle: datasheets of NOS vacuum tubes

Collection of Roland Biesler D. Retrieved 19 November Retrieved 11 September Like the British military system, these have many direct equivalents in the civilian types. Media related to Lamina gas discharge tubes at Wikimedia Commons.

Quantity of Models at Radiomuseum. However, device numbers do not reveal any similarity between different type families; e.

For examples see below. You reach this tube or valve page from a search after clicking the “tubes” tab or by clicking a tube on a radio model page. British General Electric Company:. The first element designates function.

Used in s home radios. Media related to Philips gas discharge tubes at Wikimedia Commons.

Datasheets search archive of electronic components datasheets

The first system was introduced in Collection of Jacky Parmentier F. One system prefixes a three-digit number with the letters “VT”, presumably meaning “Vacuum Tube”. Institute of Radio Engineers.

From Wikipedia, the free encyclopedia. Retrieved 4 January Some manufacterers preceded the EIA number with a manufacterer’s code, as explained above. Collection of Tomasz Szczesniak PL. The following letter indicates the filament or cathode type, or the fill gas or other construction detail. Valvo deit was a major German electronic components manufacturer from to ; a Philips subsidiary sinceValvo was one of the predecessors of NXP Semiconductors. It consisted of one or two letters designating system type andoptionally, type of cathodea hyphen, then a sequentially assigned number with up to 3 digits.


Collection of Guido Pedrali Noy I. Rundfunk- und Fernmelde-Technik desv was the brand of a group of telecommunications manufacturers in the German Democratic Republic.

Retrieved January 22, Marconi-Osram K inkless T etrode beam power tubes. Collection of Bekir Yurdakul F.