84
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BrandRCA
ClassFull-Wave Rectifier
BaseSmall 5-Pin
Filament6.3V @ 500mA
Construction
Primary TypeHigh-vacuum rectifier
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 | 350V | - | - | - | 50mA |
| Half-Wave Rectifier (Plates connected together) | 350V | - | - | - | 75mA |
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.
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