ML-857B
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BrandMachlett
ClassMercury-Vapor Rectifier
BaseJEDEC FO-2
Construction
Primary TypeMercury-Vapor
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialMetal
SectionsSingle
Filament / Heater
Warm-up Time60s
Absolute Maximum Ratings
Plate Voltage22000 V
Cathode Current10000 mA
Audio Performance
Key Features
- Low internal voltage drop
- Cathode design permitting in-phase or quadrature filament excitation
- Two-electrode mercury-vapor design
Application Notes
Designed for use as a half-wave rectifier in high-power radio-transmitting and r.f. heating equipment. Tube life will be increased when quadrature filament excitation is used.
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