Tube-number record
6CW4
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BrandRCA
ClassHigh-Mu Triode
BaseSubminiature
Filament6.3 V @ 135 mA
Construction
Primary TypeTriode
EnvelopeMetal Shell MT4
Base MaterialCeramic
SectionsSingle
Filament / Heater
Heater NotesDesign-maximum voltage range 6.3 +/- 0.6 volts
Absolute Maximum Ratings
Plate Voltage135 V
Plate Dissipation1.5 W
Grid 1 Voltage-55 V
Cathode Current15 mA
H-C Voltage100 V
Audio Performance
Key Features
- Nuvistor Type
- Small size
- Metal shell
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Bias | 110 V | 9800 | 6600 | 65 | 7 mA |
| Grid-Resistor Bias | 70 V | 12500 | 5440 | 68 | 7.2 mA |
Application Notes
For use as grounded-cathode, neutralized RF-amplifier tube in tuners of VHF television and FM receivers.
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