6BD4A
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BrandSylvania
ClassVoltage Regulator Beam Triode
BaseShort Jumbo Shell Octal, 6-Pin
Filament6.3V @ 600mA
Construction
Primary TypeBeam Triode
EnvelopeT12
Base MaterialCoated Unipotential
SectionsSingle
Filament / Heater
Heater NotesPeak Heater-Cathode Voltage: 180 Volts Max
Absolute Maximum Ratings
Plate Voltage27000 V
Plate Dissipation25 W
Grid 1 Voltage-125 V
Cathode Current1.5 mA
H-C Voltage180 V
Audio Performance
Key Features
- Low current
- Sharp cutoff
- High voltage regulation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Shunt Voltage Regulator | 20000V | 138 | - | 1650 | - |
| Shunt Voltage Regulator | 27000V | 116 | - | 1650 | - |
Application Notes
X-ray radiation shielding may be necessary to protect against personal injury if operated at higher than 16,000 volts.
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