Tube-number record
12G-B3
0 archive entries
12G-B3 is a tube type in the TubeDatabase archive (class: BEAM POWER TUBE). Recorded specifications: construction Beam tetrode / beam power, base Octal B5-187, socket Octal, maximum plate voltage 550 V, and maximum plate dissipation 10 W. The archive does not yet hold a photographed example of this type.
ClassBEAM POWER TUBE
BaseOctal
Filament12.6 V @ 600 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeGlass with top cap
Base MaterialOctal B5-187
Sectionssingle
Filament / Heater
Warm-up Time11s
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 40 V | — | — | — | 240 mA |
| Condition 2 | 100 V | 14000 | 5300 | — | 100 mA |
Application Notes
Designed for use as a horizontal deflection output amplifier in transformer-less television receivers.
Datasheets
Datasheet: 12G-B3.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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