Tube-number record
D13-27
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D13-27 is a tube type in the TubeDatabase archive (class: Instrument Cathode-Ray Tube). Recorded specifications: construction Display / CRT, base Glass, socket 14-pin all-glass, and maximum plate voltage 3300 V. The archive does not yet hold a photographed example of this type.
ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialGlass
SectionsSingle gun
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscilloscope | 3000 V | — | — | — | 0.01 mA |
Application Notes
The tube should not be supported by the base alone and under no circumstances should the socket be allowed to support the tube.
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