Tube-number record
CK6519
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BrandRaytheon
ClassSubminiature Pentode
BaseSubminiature
Construction
Primary TypePentode
EnvelopeT-1 1/2 x 1 1/2 Glass
SectionsSingle
Filament / Heater
MaterialTinned flexible leads
Absolute Maximum Ratings
Plate Voltage30 V
Grid 2 Voltage30 V
Cathode Current0.6 mA
Audio Performance
Typical THD12%
Power Output0.0015 W
Key Features
- Filament type pentode
- Flexible terminal leads for soldering/welding
- Designed for portable and wearable equipment
- T-1 1/2 envelope
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Power Amplifier | 22.5 V | 450 | 300000 | — | 0.4 mA |
Application Notes
Grid #3 is composed of two deflector plates, one being connected to Lead 3 and the other to Lead 5. Grid returned to negative filament through 10 megohms. Source impedance for signal is 2 megohms.
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