ECC85 DATASHEET PDF

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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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Retrieved 14 December Media related to Valvo vacuum tubes at Wikimedia Commons.

In the s a 5-element system Russian: Collection of Miguel Lopez C. This system consists of one or more letters followed by a sequentially assigned number [21]. Telefunken Laborbuch in German.

List of vacuum tubes

Special-quality cold-cathode “Z” tubes had a different function letter scheme. Retrieved 19 January Heater current [23] [1]. Retrieved 1 May RTT Franzis Retrieved 17 April Retrieved 14 August Collection of Werner Wussow D. Grammont and Compagnie des Lampes British General Electric Company:. The following letter indicates the photocathode type:. The mica spacers used in “SQ” and “PQ” types did not possess sharp protrusions which could dafasheet off and become loose inside the bulb, possibly lodging between the grids and thus changing the characteristics of the device.

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Like the North American system the first symbol describes the heater voltage, in this case, a Roman letter rather than a number.

ECC85/6H1P/6N1P Suppliers

ECL82, PCL82, UCL82 they will usually be identical except for heater specifications; however there are exceptions, particularly with output types for example, both the PL84 and UL84 differ significantly from the EL84 in certain major characteristics, although they have the same pinout and similar power rating.

Collection of Christian Schaufelberger CH. There is another designation system for professional tubes such as transmitter ones. The system consisted of one letter followed by 3 or 4 digits. Media related to Soviet vacuum tubes at Wikimedia Commons. Collection of Ottmar Rollmann D.

Media related to Valvo gas discharge tubes at Wikimedia Commons.

ECC85 Datasheet Philips pdf data sheet FREE from

Retrieved from ” https: The following tubes were used in post-World War II walkie-talkies and pocket-sized portable radios. Collection of Peter Olasz H. Vacuum tubes Electronics lists Gas-filled tubes.

Computers and telecommunication equipment also required tubes of greater quality and reliability than for domestic and consumer equipment.

This was phased out after when Mullard adopted the Mullard—Philips scheme. Rundfunk- und Fernmelde-Technik desv was the brand of a group of telecommunications ratasheet in the German Democratic Republic. Valvo deit was a major German electronic components manufacturer from to ; a Philips subsidiary sinceValvo was one of the predecessors of NXP Semiconductors.

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However, device numbers do not reveal any similarity between different type families; e. Often designations that differed only in their initial numerals would be identical except for heater characteristics.

Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. The shield was connected to the cathode.

Media related to Philips gas discharge tubes at Wikimedia Commons. Retrieved 25 April The Majestic numbers of these tube types, which are usually etched on the tube’s base, have a “G” prefix for G rigsby- G runow and an “S” suffix for s hielded. Some manufacterers preceded the EIA number with a manufacterer’s code:.

Die Abschirmwirkung des Schirms zwischen den Anoden. Retrieved 25 December Early types were shielded versions of tube types already in use.

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