12BY7: Difference between revisions

1,235 bytes removed ,  21 September 2023
Redirected page to 12BY7A
(combined 12BY7+12BY7A as 1963 parts price list shows 154-047 = 12BY7A)
(Redirected page to 12BY7A)
Tag: New redirect
 
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{{Vacuum Tube
#redirect[[12BY7A]]
|Type=Pentode
|Number=12BY7A
|EuroNumber=EL180
|RussianNumber=
|Part_nos=154-047,154-0047-00
|Description=miniature 6.5 W power pentode
|Used_in=106;163;524;531;533;535;536;541;543;535;545;545A;549;555;75;3A75;3B5;
|Designers=
}}.


Both the 12BY7 and the slightly improved 12BY7A are all-glass types with a {{B9A base}} and share the EIA 9BF pinout with a number of other miniature pentode tubes of the era.
{| class="wikitable"
{{Checkedtubes TableHeader}}   
|-
|  [[531]], [[533]], [[535]], [[536]], [[541]], [[543]], [[545]], [[555]]  || 157-0053-00  || ?
|-
|  [[106]]  || 157-0115-00  || Note 1
|}
Note 1: Made obsolete soon after the number was allocated.
{{Tube aging reference}}
==Data sheets and Links==
[[File:No64.png|right| 9BF socket diagram]]
* [[Media:GE 12BY7A data sheet.pdf|General Electric 12BY7A data sheet]]
* [[wikipedia:12BV7|12BV7 @ Wikipedia]]
* [[tube:12by7|12BY7]] / [[tube:12by7a|12BY7A]] @ radiomuseum.org
==Used in==
* the output stage of the [[1121]]
* the first stage of the [[535]], [[545|545A]], and [[555]]
{{Part usage}}
==Pictures==
<gallery>
12by7a 1.jpg | RCA/Tektronix 12BY7As
12by7a 2.jpg | RCA/Tektronix 12BY7As
12by7a 3.jpg | RCA/Tektronix 12BY7As
</gallery>
[[Category:Vacuum tubes]]
[[Category:Pentodes]]
[[Category:Pentodes]]