Tube-number record
5FP7-A
0 archive entries
5FP7-A is a tube type in the TubeDatabase archive (class: Oscillograph Tube). Recorded specifications: brand RCA, year 1951, construction Display / CRT, socket Octal, maximum plate voltage 8000 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassOscillograph Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage8000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 4000 V | — | — | — | — |
| Typical Operation 2 | 7000 V | — | — | — | — |
Application Notes
The 5FP7-A is particularly useful where either low-speed non-recurring phenomena or high-speed recurring phenomena are to be observed. Operation below 4000 volts will not give persistence of useable brightness.
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