Tube-number record
WE 20
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BrandWE
ClassTriode-Hexode
BaseSide-contact (P-base)
Construction
Primary TypeMulti-section
EnvelopeGlass metallized
Sections2
Filament / Heater
Heater NotesIndirectly heated, rapid heating, spiral filament
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
Grid 2 Voltage300 V
Grid 1 Voltage-1.3 V
Cathode Current15 mA
H-C Voltage100 V
Audio Performance
Key Features
- Variable-mu
- Frequency conversion
- Oscillator-Modulator
- Metallized bulb
- Rapid heating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Hexode Section (Fixed Screen) | 250 V | 650 | 2000000 | — | 2.3 mA |
| Triode Section (Static) | 150 V | 2800 | — | 20 | 3.3 mA |
Application Notes
Conversion up to 40 MHz with stability. Recommended oscillator with anode-tuned circuit. Grid negative potential during oscillation should be -7V to -14V.
Datasheets
Datasheet: WE20.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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