Tube-number record
P27/500
0 archive entries
P27/500 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Tungsram, construction Triode, socket Special / none, maximum plate voltage 500 V, and maximum plate dissipation 25 W. The archive does not yet hold a photographed example of this type.
BrandTungsram
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
Filament / Heater
MaterialOxide
Absolute Maximum Ratings
Plate Voltage500 V
Plate Dissipation25 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | — | 7500 | 1200 | 9 | — |
0 results