5R4WGB
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BrandTung-Sol
ClassFull Wave Rectifier
BaseOctal
Construction
Primary TypeFull-wave rectifier
Rectifier TypeVacuum
EnvelopeT-16 Hard Glass
Base MaterialGlass filled alkyd
Sections2
Filament / Heater
MaterialOxide coated
Warm-up Time10s
Absolute Maximum Ratings
Plate Voltage1070 V
Cathode Current275 mA
Audio Performance
Key Features
- Ruggedized
- Reliable
- Hard Glass Bulb
- Shock Mounted Base
- Silicone Rubber Cushion
- Cross Press Stem
- Fast Heating Filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Choke Input Filter | 900V | - | - | - | 165mA |
| Capacitor Input Filter | 700V | - | 100 | - | 275mA |
Application Notes
The 5R4WGB is a long life, ruggedized rectifier. The use of hard glass and a silicone rubber cushioned base allows for high altitude operation (up to 60,000 ft) and resistance to high impact shock. Mounting is vertical, though horizontal operation is permissible if pins 1 and 4 are in a vertical plane.
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