12B4: Difference between revisions

From TekWiki
Jump to navigation Jump to search
(New page: * [http://w140.com/12B4A.pdf 12B4A Datasheet (PDF)])
 
No edit summary
(9 intermediate revisions by 3 users not shown)
Line 1: Line 1:
[[File:Tek-585-psu-2.jpg|thumb|350px|right|parallel 12B4s (center left) as pass elements in [[585]] power supply]]
The '''12B4''' is a triode with 5.5 W maximum plate dissipation,
1000 V peak plate voltage, and and 105 mA peak cathode current.
It has a {{B9A base}}.
The 12B4 is used in the [[126]], [[551]], and [[555]], and as a pass tube in the power supply of the [[513]], [[581]] and [[585]].
==Data==
* [http://w140.com/12B4A.pdf 12B4A Datasheet (PDF)]
* [http://w140.com/12B4A.pdf 12B4A Datasheet (PDF)]
* [https://www.radiomuseum.org/tubes/tube_12b4.html 12B4 @ radiomuseum.org]
==Pictures ==
<gallery>
Tube 12B4.jpg | 12B4 Tube
</gallery>
[[Category:Triodes]]

Revision as of 08:53, 25 November 2018

parallel 12B4s (center left) as pass elements in 585 power supply

The 12B4 is a triode with 5.5 W maximum plate dissipation, 1000 V peak plate voltage, and and 105 mA peak cathode current. It has a B9A (Noval) miniature 9-pin base.

The 12B4 is used in the 126, 551, and 555, and as a pass tube in the power supply of the 513, 581 and 585.

Data

Pictures