50Y7GT
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BrandTUNG-SOL
ClassRectifier
BaseOctal
Filament50V @ 150mA
Construction
Primary TypeDouble Diode
Rectifier TypePower Rectifier
EnvelopeGlass Bulb T9
Base MaterialIntermediate Shell
Sections2
Filament / Heater
Heater NotesCommon heater with tap at 7.5V (Pins 6 and 7) for pilot light operation.
Absolute Maximum Ratings
Plate Voltage235 V
Cathode Current75 mA
H-C Voltage350 V
Audio Performance
Key Features
- Twin diode power rectifier
- Independent diode units
- Permits operation as half-wave, full-wave, or voltage doubler
- Heater provides tap for pilot light
- Lock-in construction features
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Voltage Doubler | 117V | - | 15 | - | 65mA |
| Half-Wave Rectifier | 117V | - | 15 | - | 65mA |
| Half-Wave Rectifier | 150V | - | 40 | - | 65mA |
| Half-Wave Rectifier | 235V | - | 100 | - | 65mA |
Application Notes
The heater provides a tap connection for pilot light operation (Pins 6 and 7). Mounting position: any.
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