Tube-number record
6CT3
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BrandRCA
ClassHalf-Wave Rectifier
BaseNoval (B9A)
Filament6.3 V @ 1200 mA
Construction
Primary TypeRectifier
Rectifier TypeHalf-Wave
Envelope6-1/2
Base MaterialSmall-Button Noval 9-Pin
Sections1
Filament / Heater
Heater NotesVoltage range: 5.7 to 6.9 V
Absolute Maximum Ratings
Plate Voltage5000 V
Plate Dissipation4.75 W
Cathode Current1200 mA
H-C Voltage4500 V
Audio Performance
Key Features
- Damper Diode
- Black-and-White and Small-Screen Color-TV Applications
- Coated Unipotential Cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Instantaneous Tube Voltage Drop | 16 V | — | — | — | 350 mA |
Application Notes
Socket terminals 1, 3, 7, and 8 should not be used as tie points for external-circuit components. It is recommended that these socket tabs be removed to reduce the possibility of arc-over and to minimize leakage.
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