12B4: Difference between revisions
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[[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, | 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. | ||
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The 12B4 is used in the [[551]] and [[555]], and as a pass tube in the power supply of the [[513]], [[581]] and [[585]]. | The 12B4 is used in the [[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)] | ||
[[Category:Triodes]] | [[Category:Triodes]] | ||
Revision as of 10:14, 29 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 12B4 is used in the 551 and 555, and as a pass tube in the power supply of the 513, 581 and 585.