Tube-number record
12FM6
0 archive entries
12FM6 is a tube type in the TubeDatabase archive (class: Duplex-Diode Triode). Recorded specifications: brand General Electric, year 1959, construction Triode, base Glass, socket Miniature 7-pin (B7G), and maximum plate voltage 30 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassDuplex-Diode Triode
BaseMiniature 7-pin (B7G)
Filament12.6 V @ 0.15 mA
Construction
Primary TypeTriode
EnvelopeT-5 1/2
Base MaterialGlass
Sections3
Filament / Heater
Heater NotesOperation from 12-volt battery; Heater range 10.0V to 15.9V.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Zero Bias | 12.6 V | 2400 | 5600 | 13.5 | 1.8 mA |
| Grid Leak Bias (2.2 Megohm resistor) | 12.6 V | 1300 | 7700 | 10 | 1 mA |
0 results