Tube-number record
3B27
0 archive entries
3B27 is a tube type in the TubeDatabase archive (class: High Vacuum Rectifier). Recorded specifications: brand Electronic Enterprises, Inc., construction Rectifier, base Phenolic, socket 4-pin, and maximum plate voltage 8500 V. The archive does not yet hold a photographed example of this type.
BrandElectronic Enterprises, Inc.
ClassHigh Vacuum Rectifier
Base4-pin
Filament2.5 V @ 5 mA
Construction
Primary TypeRectifier
Rectifier TypeHigh Vacuum
EnvelopeST-19
Base MaterialPhenolic
SectionsSingle
Filament / Heater
MaterialOxide-coated
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Drop Point 1 | 55 V | — | — | — | 250 mA |
| Voltage Drop Point 2 | 45 V | — | — | — | 200 mA |
| Voltage Drop Point 3 | 35 V | — | — | — | 150 mA |
Datasheets
Datasheet: 3B27.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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