12B4: Difference between revisions

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


It is used in the [[551]] and [[555]].
The 12B4is used in the [[551]] and [[555]], and as a pass tube in the power supply of the [[513]], [[581]] and [[585]].
It is used as a pass tube in the power supply of the [[513]].


* [http://w140.com/12B4A.pdf 12B4A Datasheet (PDF)]
* [http://w140.com/12B4A.pdf 12B4A Datasheet (PDF)]

Revision as of 08:49, 9 April 2018

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 miniature 9-pin base.

The 12B4is used in the 551 and 555, and as a pass tube in the power supply of the 513, 581 and 585.