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ML-857B

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BrandMachlett
ClassMercury-Vapor Rectifier
BaseJEDEC FO-2
FilamentV @ mA

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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