Tube-number record
ESU 300
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BrandEdiswan
ClassMercury Vapour Rectifier
BaseScrew / Edison base
Construction
Primary TypeRectifier
Rectifier TypeMercury Vapour
EnvelopeHard Glass
SectionsSingle
Filament / Heater
Warm-up Time30s
Absolute Maximum Ratings
Cathode Current3000 mA
Audio Performance
Key Features
- Mercury vapour filled
- Blue glow characteristic
- Neutralized space-charge
- Low internal resistance
- Excellent regulation
- Top anode terminal
Application Notes
The filament must be switched on at least 30 seconds before anode voltage is applied. For first service, filament should operate at normal voltage for 15 minutes without anode voltage to distribute mercury. Mount vertically in a well-ventilated position. Maximum ambient temperature 50°C.
Datasheets
Datasheet: ESU300.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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