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[[File:6AL5_Tube.jpg|thumb|300px|right|6AL5 Vacuum Tube]] | |||
The 6AL5 serves as the disconnect | {{Vacuum Tube | ||
starting with | |Type=Dual Diode | ||
plug-ins such as the [[3B2]]. | |Number=6AL5/12AL5 | ||
|EuroNumber=EAA91/EB91/HAA91 | |||
|Part_nos=154-016,154-0016-00,154-0038-00 | |||
|Description=high-perveance dual diode | |||
|Used_in=163;181;190;1M1;310;310A;315;316;317;3B1;3B1S;3B2;3B3;3B5;502;502A;503;511;511A;512;516;517;517A;524;526;535;535A;545;545A;549;551;565;570;581;581A;585;585A;C;T;Telequipment D52;Telequipment D56;Telequipment S52; | |||
|Designers= | |||
}} with a 6.3 V, 0.3 A heater. | |||
<br /> | |||
The '''12AL5''' (European type '''HAA91''') is the same but has a 12.6 V, 0.15 A heater. Both have a {{B9A base}}. | |||
The 6AL5/12AL5 serves as the "disconnect diode" in the timebase circuit of many tube-era Tektronix scopes starting with the [[511]] in the 1940s and continuing through the 1960s in sweep plug-ins such as the [[3B2]] and other plug-ins such as [[C|Type C]] / [[CA|Type CA]]. | |||
Tektronix part number: 154-0016-00 (6AL5), 154-0038-00 (12AL5/HAA91) | |||
{| class="wikitable" | |||
{{Checkedtubes TableHeader}} | |||
|- | |||
| [[535A]], [[545A]], [[585A]] || 157-0075-00 (12AL5) || All | |||
|- | |||
| [[316]], [[317]], [[502A]], [[516]] || 157-0104-00 (6AL5) || All | |||
|- | |||
| 53X, 54X series, [[551]], [[580-series_scopes|580]] || 157-0104-02 (6AL5) || All | |||
|} | |||
{{Tube aging reference}} | |||
==Data and Links== | |||
* System: max. 420 V peak, max. 9 mA, 2.5 pF | |||
* [[Media:RCA 6AL5 data sheet.pdf| RCA 6AL5 Datasheet]] | |||
* [https://www.radiomuseum.org/tubes/tube_6al5.html 6AL5] / [https://www.radiomuseum.org/tubes/tube_12al5.html 12AL5] @ radiomuseum.org | |||
{{Part usage}} | |||
[[Category:Diode tubes]] | [[Category:Diode tubes]] |