TH 3505
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BrandTHOMSON-CSF
ClassTraveling Wave Tube
BaseFlying leads
Filament6.3V @ 1600mA
Construction
Primary TypePPM-focused Pulsed TWT
EnvelopeMetal-ceramic
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialOxide
Warm-up Time180s
Heater NotesAbsolute limits 6.1 V to 6.6 V; surge current max 2.5 A
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation160 W
Grid 1 Voltage300 V
Cathode Current2000 mA
Audio Performance
Power Output1250 W
Key Features
- PPM-focused
- Metal-ceramic construction
- Internal thermal switch (Vigitherme)
- Conduction or forced air cooling
- All-position operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulsed X-Band | 10700V | - | - | - | - |
Application Notes
Ideal for high-power jammer use in ECM applications (naval and ground-transportable) or as radar-transmitter preamplifier. For DC heater supply, connect positive side to common heater-cathode lead.
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