Tube-number record
TH 363
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BrandThomson-CSF
ClassTriode
Filament6.3 V @ 1.3 mA
Construction
Primary TypeTriode
Envelopeceramic-metal
Base Materialmetal
Sections1
Filament / Heater
Materialoxides
Warm-up Time60s
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage8000 V
Plate Dissipation250 W
Grid 1 Voltage-150 V
Cathode Current100 mA
Audio Performance
Key Features
- Planar triode
- Ceramic-metal construction
- Forced air cooling
- Frequency up to 3 GHz
- High spectral purity for Doppler radar applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static | — | 38000 | — | 150 | 250 mA |
| HF Pulse Oscillator - Class B | 5500 V | — | — | — | 50 mA |
Application Notes
Supplied with radiator. High frequency operation requires heater voltage adjustment due to cathode bombardment. Cathode-grid capacitance increases by approx 1 pF when hot.
Datasheets
Datasheet: TH363.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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