
Tube-number record
P 28/500
0 archive entries
P 28/500 is a tube type in the TubeDatabase archive (class: Power Triode). Recorded specifications: brand Tungsram, construction Triode, socket Special / none, maximum plate voltage 600 V, and maximum plate dissipation 35 W. The archive does not yet hold a photographed example of this type.
BrandTungsram
ClassPower Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage600 V
Plate Dissipation35 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | — | 2700 | 3350 | 8 | — |
0 results