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BrandEimac
ClassHigh-vacuum diode rectifier
Base50-watt jumbo 4-pin bayonet
Construction
Primary TypeDiode
Rectifier TypeHigh-vacuum
EnvelopeGlass
Base MaterialMetal/Ceramic
SectionsSingle
Filament / Heater
MaterialThoriated Tungsten
Warm-up Time0.5s
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation100 W
Cathode Current350 mA
Audio Performance
Key Features
- Thoriated-tungsten filament
- Convection and radiation cooling
- Instant heating
- High peak inverse voltage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single-Phase Half-Wave (Capacitor Input) | 5300V | - | 300 | - | 210mA |
| Single-Phase Full-Wave (Capacitor Input) | 5300V | - | 300 | - | 420mA |
| Single-Phase Full-Wave (Choke Input) | 5300V | - | 300 | - | 700mA |
| Single-Phase Bridge (Capacitor Input) | 10600V | - | 300 | - | 420mA |
| Single-Phase Bridge (Choke Input) | 10600V | - |
Application Notes
Intended for use in rectifier units, voltage multipliers, or special applications where gas-filled tubes are unsuitable. Must be mounted vertically. Requires Eimac HR-8 Heat Dissipating Connector on plate terminal.
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