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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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ECC85 Datasheet PDF ( Pinout ) – Double Triode Intended

Collection of Jacob Roschy D. Then a hyphen “-“followed by a sequentially assigned number or the designation of the American original. List of vacuum tubes List of tube datashete. Text in other languages may differ. Like the British military system, these have many direct equivalents in the civilian types.

This page was last edited on 22 Decemberat 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. This part dates back to the joint valve code key German: However, device numbers do not reveal any similarity between different type families; e.

Datasheets search archive of electronic components datasheets

For transmitting tubes in this system, the second element starts ec85 a hyphen, a sequentially assigned number, then a optional letter specifying cooling method. Media related to Valvo gas discharge tubes at Wikimedia Commons.


One system prefixes a three-digit number with the letters “VT”, presumably meaning “Vacuum Tube”. Collection of Oskar Elm D. Type, subset of the Mullard—Philips system.

In the s a 5-element system Russian: Media related to Tesla vacuum tubes at Wikimedia Commons.

This was phased out after when Mullard adopted the Mullard—Philips scheme. British General Electric Company:. The mica spacers used in “SQ” and “PQ” types did not possess sharp protrusions which could flake off and become loose inside the bulb, possibly lodging between the grids and thus changing the characteristics of the device.

Retrieved 17 October Telefunken Laborbuch in German. This numbering scheme was intended to differentiate these tubes from the ecc855 with 2. Collection of Danko Tkalec HR. Collection of Bekir Yurdakul F.

Collection of Franco Antolini I. JIS C was published in and modified in and [31]. A” PDF in French.

ECC85 Datasheet PDF

Wynn-Williams 2 May These tubes were made for home storage battery receivers manufactured during the early to mids. Special quality variants may have the letters “SQ” appended, or the device description letters may be swapped with the numerals e.

Retrieved 8 December Machlett LaboratoriesInc. The numbers of the following tubes all start with 1, but these tubes all have 2.

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The Bell system technical journal. Retrieved 17 May Pro Electron maintained a subset of the M-P system after their establishment inwith only the first letters EP for the heater, only the second letters DatsaheetBCDEFHKLMYZ for the type, and issuing only three-digit numbers starting with 123589 for the base.

List of vacuum tubes – Wikipedia

K inkless T etrode beam power tubes are listed under other letter tubes – KT. All of the following tubes are designed to operate with their heaters connected directly to the volt ecc5 volt electrical mains of North America. Type, subset of the Mullard—Philips scheme. This usually implies construction differences, not just selection from regular quality production. For ignitrons, rectifiers, and thyratrons, there is a digit, then hyphen, then the anode current in amperes, a slash, anode voltage in kV.

Collection of Giorgio Busletta I. The coding for vacuum devices differs between Philips and other Continental European manufacturers on the one hand and its Mullard subsidiary on the other. Receiving Tube Manual RC30p.