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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Many of these types had gold-plated base pins and special heater configurations inside the nickel cathode tube designed to reduce hum pickup from the A. Media related to Soviet gas discharge tubes at Wikimedia Commons. The oldest numbering systems date back to the early s, such as a two-digit numbering system, starting with the UVAwhich was considered as “type 01”, and extended almost continuously up into the s.
Use was not rigorously systematic: In some valve part datasueet series, the voltage class of the heater is given in the part number, and a similar valve might be available with several different heater voltage ratings. Three- and four-digit numeral-only systems were maintained by R.
Rundfunk- und Fernmelde-Technik desv was the brand of a group of telecommunications manufacturers in the German Democratic Republic. This numbering scheme was intended to differentiate these tubes from the tubes with 2. Media related to Eimac vacuum tubes at Wikimedia Commons.
Retrieved 12 February Philips sold a family of mA series heater tubes under this letter in South America: Retrieved 4 March Collection of Klemens Rhode D. The shield was connected to the cathode. Text in other languages may differ.
The incarnation of La Compagnie des Lampes since as Lampe Mazda made light bulbs and electronic tubes under the French Mazda brand. The second element is a Cyrillic letter specifying the type of device. Retrieved 27 September National Union Electric Corporation.
Collection of Ulrich Fieseler D. Archived from the original PDF on 29 December Retrieved 1 January The first incarnation of La Compagnie des Lampes produced the TM tube since and defined one of the first French systems; [1] [16] not to be confused with Compagnie des Lampes”French Mazda”, see below.
Institute of Radio Engineers.
ECC85 Datasheet PDF
Collection of Tor Steinnes N. For transmitting tubes in this system, the second element starts with a hyphen, a sequentially assigned datasheeg, then a optional letter specifying cooling method. In use since at leastthis system was maintained by Pro Electron after their establishment in Collection of Jacob Roschy D. Retrieved 19 August Media related to Philips vacuum tubes at Wikimedia Commons. Archived from the original Ecd85 on 12 October Light fatasheet since under the Belgian Mazda brand Electronic tubes since under the Adzam “Mazda” spelled backwards brand [20].
Retrieved 21 December Retrieved May 30, Collection of Karlheinz Fischer D. Telefunken Laborbuch in German. Further Roman letters, up to three, describe the device followed by one to four numerals assigned in a semi-chronological order of type development within number ranges assigned to different base types.
Grigsby-Grunow did not shield rectifier tubes except for type 6Y5 listed below or power output tubes.
Vacuum tubes produced in the former Soviet Union and in present-day Russia are designated in Cyrillic. JIS C was published in and modified in and [31]. 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. Marconi-Osram K inkless T etrode beam power tubes. Media related to Philips gas discharge tubes at Wikimedia Commons.
Retrieved 17 May Wikimedia Commons has media related to Vacuum tubes and Gas discharge tube. All of them incorporate at least one rectifier diode.
ECC85 Datasheet RFT pdf data sheet FREE from
Media related to Tesla gas discharge tubes at Wikimedia Commons. This part dates back to the joint valve code key Datawheet It was phased out after when Valvo adopted the Mullard—Philips scheme. Raytheon Company components division, industrial components operation. Retrieved 17 October Media related to Tungsram vacuum tubes at Wikimedia Commons.
(PDF) ECC85 Datasheet PDF Download – Double Triode
Like the British military system, these have many direct equivalents in the civilian types. Media related to Tesla vacuum tubes at Wikimedia Commons. Filaments powered by 1.