R20
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BrandBRIMAR
ClassHigh voltage, half-wave rectifier
BaseB9A
Filament2V @ 350mA
Construction
Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialB9A
SectionsSingle
Filament / Heater
Heater NotesHeater current: 0.35A (350mA)
Absolute Maximum Ratings
Plate Voltage22000 V
Cathode Current0.8 mA
Audio Performance
Key Features
- Television line flyback EHT rectifier
- B9A Base
- CT1 Cap
Application Notes
X-ray shielding is advisable for protection against possible danger of personal injury at PIV in excess of 16 kV. Pins 3 and 7 may be connected to points in the heater circuit only and must not be earthed. No low potential circuits should be connected to any base pins.
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