Tube-number record
U45
0 archive entries
U45 is a tube type in the TubeDatabase archive (class: High Voltage Half-Wave Rectifier). Recorded specifications: brand Marconi, year 1955, construction Diode, socket Flexible / flying leads, and maximum plate voltage 18000 V. The archive does not yet hold a photographed example of this type.
BrandMarconi
ClassHigh Voltage Half-Wave Rectifier
BaseFlexible / flying leads
Filament6.3 V @ 120 mA
Construction
Primary TypeDiode
Rectifier TypeVacuum
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage18000 V
Cathode Current3 mA
Audio Performance
Key Features
- High voltage vacuum rectifier
- Indirectly heated cathode
- Suitable for CRT HT power
- RF source or flyback rectification
Application Notes
Leads should not be soldered closer than 5mm from the glass and they should not be bent nearer than 1.5mm from the glass. Mounting in any position.
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