Tube-number record
12E5GT
0 archive entries
12E5GT is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Tung-Sol, year 1939, construction Triode, base Small wafer 6 pin octal base with metal shell, socket Octal, and maximum plate voltage 250 V. The archive does not yet hold a photographed example of this type.
BrandTung-Sol
ClassTriode
BaseOctal
Filament12.6 V @ 0.15 mA
Construction
Primary TypeTriode
EnvelopeGlass GT
Base MaterialSmall wafer 6 pin octal base with metal shell
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100 V | 1150 | 12000 | 13.8 | 2.5 mA |
| Class A1 Amplifier | 250 V | 1450 | 9500 | 13.8 | 5 mA |
Application Notes
Designed for service as an oscillator, detector or amplifier. Electrical characteristics are identical with those of the 76 and 6P5GT except for heater ratings.
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