3CU3A
0 Tubes in archive
BrandRCA
ClassHigh-Voltage Rectifier
BaseOctal
Construction
Primary TypeHalf-Wave Vacuum Rectifier
Rectifier TypeHalf-Wave
EnvelopeT9
Base MaterialSmall-Wafer Octal with External Barriers
Sections1
Filament / Heater
MaterialCoated Filament
Absolute Maximum Ratings
Plate Voltage33000 V
Cathode Current100 mA
Audio Performance
Key Features
- Controlled for X-Radiation
- Coated Filament
- Shock Hazard Warning
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Rectifier Characteristics | 50V | - | - | - | 7mA |
Application Notes
Specifically designed for operation as a pulsed rectifier tube in 525-line, 30-frame television systems. Requires shielding to protect against X-radiation.
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