Tube-number record
7020
0 archive entries
7020 is a tube type in the TubeDatabase archive (class: Half-wave rectifier). Recorded specifications: construction Other / special, base Metal/Plastic Lug Base, socket 4-pin, and maximum plate voltage 1000 V. The archive does not yet hold a photographed example of this type.
ClassHalf-wave rectifier
Base4-pin
Construction
Primary TypeOther / special
Rectifier Typehalf-wave
EnvelopeGlass with top cap
Base MaterialMetal/Plastic Lug Base
Sections1
Filament / Heater
MaterialMercury-vapor
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage1000 V
Cathode Current6400 mA
Audio Performance
Key Features
- Argon-mercury vapor
- Half-wave rectifier
- Industrial power application
- Top cap anode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Industrial Rectifier | 250 V | — | — | — | 6400 mA |
Application Notes
Designed especially for industrial power rectifier applications up to 250 volts d.c. Light filament before applying load. All data based on returns to filament transformer center tap.
Datasheets
Datasheet: 7020.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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