
Tube-number record
5BE8
0 archive entries
5BE8 is a tube type in the TubeDatabase archive (class: Medium-Mu Triode—Sharp-Cutoff Pentode). Recorded specifications: brand RCA, year 1959, construction Multi-section, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2.8 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassMedium-Mu Triode—Sharp-Cutoff Pentode
BaseNoval (B9A)
Filament4.7 V @ 600 mA
Construction
Primary TypeMulti-section
EnvelopeT6-1/2
Sections2
Filament / Heater
Warm-up Time11s
Heater NotesSeries heater-string arrangement
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode Unit | 150 V | 8500 | 5000 | 40 | 18 mA |
| Pentode Unit | 250 V | 5200 | 400000 | — | 10 mA |
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