Tube-number record
1P50
0 archive entries
1P50 is a tube type in the TubeDatabase archive (class: Gas Filled Phototube). Recorded specifications: brand Continental Electric Co., construction Other / special, socket 4-pin, and maximum plate voltage 90 V. The archive does not yet hold a photographed example of this type.
BrandContinental Electric Co.
ClassGas Filled Phototube
Base4-pin
Construction
Primary TypeOther / special
EnvelopeT12 Bulb
Sections2 Electrodes
Filament / Heater
Absolute Maximum Ratings
Plate Voltage90 V
Cathode Current0.02 mA
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal Sensitivity | 90 V | — | — | 10 | — |
Application Notes
Average Cathode Current based on 0.2 sq. in. of sensitive cathode area is 20 uA.
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