6197: Difference between revisions

6197 resists forming cathode interface layer
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(6197 resists forming cathode interface layer)
 
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The '''6197''' is a sharp-cutoff power pentode in a glass package with a {{B9A base}}.
{{Vacuum Tube
|Type=Pentode
|Number=6197
|EuroNumber=
|RussianNumber=
|Part_nos=154-0146-00
|Description=7.5 W power pentode
|Used_in=516;531;533;535;535A;547;556;75;3A75;
|Designers=
}} with a {{B9A base}}.  It is similar to the [[6CL6]] but rated for "on-off control applications involving long periods of operation under cutoff conditions", meaning that its cathode resists forming an interface layer.  This is valuable even in always-on locations like the [[535]] vertical amplifier, where an interface layer would reduce low frequency gain.


==Links==
==Links==


* [http://www.radiomuseum.org/tubes/tube_6197.html 6197 @ radiomuseum.org]
* [[tube:6197 | 6197 @ radiomuseum.org]]
* [http://www.tubezone.net/pdf/6197.pdf Data sheet]
* [http://www.tubezone.net/pdf/6197.pdf Data sheet]


==Used in==
==Used in==
*[[516]]
{{Part usage}}
*[[533]]
 
*...
==Photos==
<gallery>
Raytheon 6197.jpg | Raytheon 6197
</gallery>
 


[[Category:Pentodes]]
[[Category:Pentodes]]
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