Tube-number record
PULSE RECTIFIER TUBE
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ClassRectifier
Filament27 V @ 21000 mA
Construction
Primary TypeIndirectly heated
Rectifier TypePulse
EnvelopeGlass-to-metal
SectionsSingle
Filament / Heater
MaterialOxide-coated
Warm-up Time180s
Heater NotesNominal voltage 27V, Range 24.3-29.7V. Current range 18-24A.
Absolute Maximum Ratings
Plate Voltage45000 V
Plate Dissipation3000 W
Cathode Current400 mA
Audio Performance
Key Features
- Indirectly heated oxide cathode
- Glass-to-metal construction
- Forced air cooling
- High voltage pulse operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse (3.8kV Anode Drop) | 3800 V | — | — | — | 40000 mA |
| Pulse (7kV Anode Drop) | 7000 V | — | — | — | 100000 mA |
Application Notes
Designed for use in pulse modulators in RF equipment. Operating position is upright with anode down.
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