5T8
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BrandTung-Sol
ClassTriple-Diode Triode
BaseMiniature 9-Pin
Filament4.7V @ 600mA
Construction
Primary TypeTriple-Diode Triode
EnvelopeGlass
Base MaterialGlass Button
Sections4
Filament / Heater
Warm-up Time11s
Heater Notes600 mA series heater type
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.1 W
Cathode Current5.5 mA
H-C Voltage200 V
Audio Performance
Typical THD5%
Key Features
- High Perveance Diodes
- High-Mu Triode
- Controlled Heater Warm-up Time
- 9 Pin Miniature Construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 100V | 1300 | 54000 | 70 | 0.8mA |
| Class A1 Amplifier | 250V | 1200 | 58000 | 70 | 1mA |
Application Notes
Designed for use in 600 mA series heater operated receivers; structure permits construction of AM/FM receivers with minimum switching.
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