Tube-number record
ML-222A
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BrandMachlett Laboratories, Inc.
ClassRectifier
Construction
Primary TypeRectifier
Rectifier Typehalf-wave
EnvelopeGlass/Metal
Sections1
Filament / Heater
MaterialPure-tungsten
Absolute Maximum Ratings
Plate Voltage25000 V
Cathode Current5000 mA
Audio Performance
Key Features
- Water-cooled
- Pure-tungsten filament
- High-voltage straight-line exhaust process
- X-ray production warning
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Tube Voltage Drop | 2000 V | — | — | — | 5000 mA |
Application Notes
Designed for use as a half-wave rectifier in power supplies for radio-transmitting and radio-communication service. Adequate rayproof shielding must be provided as operation may produce soft x-rays.
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