Tube-number record
84
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BrandRCA
ClassFull-Wave Rectifier
Base5-pin
Filament6.3 V @ 500 mA
Construction
Primary TypeRectifier
Rectifier TypeFull-wave
EnvelopeST-12
SectionsHeater-cathode
Filament / Heater
Heater NotesDesigned for 6-volt automobile battery variations; max fluctuation 7.5V.
Absolute Maximum Ratings
Plate Voltage350 V
Cathode Current50 mA
H-C Voltage500 V
Audio Performance
Key Features
- Heater-cathode type
- Auto-mobile-radio equipment intended
- High-vacuum
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-Wave Rectifier | 350 V | — | — | — | 50 mA |
| Half-Wave Rectifier (Plates connected together) | 350 V | — | — | — | 75 mA |
Application Notes
The 84 can be used as a half-wave rectifier by connecting both plate terminals together at the socket, increasing max d-c output current to 75 mA.
Datasheets
Datasheet: 84.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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