6BU4
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BrandCBS-HYTRON
ClassTriode HV Regulator
BaseOctal 8-pin
Filament6.3V @ 400mA
Construction
Primary Typebeam triode
EnvelopeT-12
Sectionssingle
Filament / Heater
Heater NotesPeak heater-cathode voltage: 225V max (heater negative to cathode)
Absolute Maximum Ratings
Plate Voltage25000 V
Plate Dissipation25 W
Grid 1 Voltage-125 V
Cathode Current10 mA
H-C Voltage225 V
Audio Performance
Key Features
- High-voltage
- Low-current
- Sharp-cutoff beam triode
- Efficient electron-gun structure
- High amplification factor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Shunt Regulator Service | 25000V | 200 | - | 1515 | 1mA |
Application Notes
Designed for voltage regulation of the anode and focus supplies of color television receivers over the range of 5,000 to 25,000 volts.
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