6AL5: Difference between revisions
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[[File:6AL5_Tube.jpg|thumb|300px|right|6AL5 Tube]] | [[File:6AL5_Tube.jpg|thumb|300px|right|6AL5 Tube]] | ||
{{Vacuum Tube | {{Vacuum Tube | ||
|Type= | |Type=Dual Diode | ||
|Number=6AL5/12AL5 | |Number=6AL5/12AL5 | ||
|EuroNumber=EAA91/EB91/HAA91 | |EuroNumber=EAA91/EB91/HAA91 | ||
Revision as of 12:13, 6 July 2022
The 6AL5/12AL5 (European: EAA91/EB91/HAA91) (P/N 154-0016-00, 154-0038-00) is a high-perveance dual diode vacuum tube with a 6.3 V, 0.3 A heater.
The 12AL5 (European type HAA91) is the same but has a 12.6 V, 0.15 A heater. Both have a B9A (Noval) miniature 9-pin base.
The 6AL5/12AL5 serves as the 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 Type C/Type CA.
Tek part number: 154-0016-00 (6AL5), 154-0038-00 (12AL5/HAA91)
| Aged/Checked/Matched Pair Details | ||
|---|---|---|
| Used in | Tek Part# | S/N Range |
| 535A, 545A, 585A | 157-0075-00 (12AL5) | All |
| 316, 317, 502A, 516 | 157-0104-00 (6AL5) | All |
| 53X, 54X series, 551, 580 | 157-0104-02 (6AL5) | All |
Reference:
Data and Links
- System: max. 420 V peak, max. 9 mA, 2.5 pF
- RCA 6AL5 Datasheet (PDF)
- 6AL5 / 12AL5 @ radiomuseum.org