Tube-number record
5977
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BrandSylvania
ClassPremium Subminiature Medium Mu Triode
BaseSubminiature
Filament6.3 V @ 150 mA
Construction
Primary TypeTriode
EnvelopeT-3
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage180 V
Plate Dissipation3.3 W
Grid 1 Voltage-55 V
Cathode Current22 mA
H-C Voltage200 V
Audio Performance
Key Features
- High perveance
- Severe shock resistance
- High temperature operation
- Reliable operation
- MIL-E-1 specification
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 100 V | 4500 | — | 16 | 10 mA |
Application Notes
Intended for power amplifier driver, blocking oscillator, multivibrator, and Class C amplifier applications.
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