Tube-number record
5608
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BrandRaytheon
ClassDouble Triode
Base7-pin (non-miniature)
Filament2.5 V @ 2 mA
Construction
Primary TypeDual triode
EnvelopeST-14 Glass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Plate Dissipation5.5 W
Cathode Current30 mA
H-C Voltage90 V
Audio Performance
Key Features
- Heater-cathode type
- Medium mu
- Low grid leakage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each triode unit | 250 V | 2200 | 14300 | 31.5 | 5 mA |
| Each triode unit | 300 V | 2450 | 13062 | 32 | 6 mA |
Application Notes
Principal application is in AC plate voltage operated amplifiers, and in circuits having critical grid leakage requirements.
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