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12B4: Difference between revisions
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{{Vacuum Tube | {{Vacuum Tube | ||
|Type=Triode | |Type=Triode | ||
|Number=12B4 | |Number=12B4(A) | ||
|EuroNumber= | |EuroNumber= | ||
|RussianNumber= | |RussianNumber= | ||
|Part_nos= | |Part_nos=154-044, 154-0044-00 | ||
|Description=power triode | |Description=power triode | ||
|Used_in=126;502;502A;541;541A;535;535A;545;545A;546;547;549;551;555;513;581;581A;585;585A; | |Used_in=126;310;310A;316;317;502;502A;524;526;541;541A;535;535A;545;545A;546;547;570;549;551;555;513;581;581A;585;585A; | ||
|Designers= | |Designers= | ||
}} with a {{B9A base}}. It has 5.5 W maximum plate dissipation, 1000 V peak plate voltage, and and 105 mA peak cathode current. | }} with a {{B9A base}}. It has 5.5 W maximum plate dissipation, 1000 V peak plate voltage, and and 105 mA peak cathode current. | ||
The 12B4 is used in the [[126]], [[551]], and [[555]], and as a pass tube in the power supply of the [[513]], [[581]] and [[ | The 12B4 is used in the [[126]], [[551]], and [[555]], and as a pass tube in the power supply of the [[513]], [[581]]/[[585]], and [[570]]. | ||
The 12B4A (154-0044-00) is similar except for the controlled heater warm-up, suitable for use in conjunction with other 600 mA types. | |||
==Data== | ==Data== | ||
* [ | * [[Media:GE 12B4A data sheet.pdf|General Electric 12B4A data sheet]] | ||
* [ | * [[tube:12b4|12B4]] / [[tube:12b4a|12B4A]] @ radiomuseum.org | ||
==Pictures == | ==Pictures== | ||
<gallery> | <gallery> | ||
Tube 12B4.jpg | 12B4 Tube | Tube 12B4.jpg | 12B4 Tube | ||
</gallery> | </gallery> | ||
==Used in== | |||
{{Part usage}} | |||
[[Category:Triodes]] | [[Category:Triodes]] | ||