3X100A5
0 Tubes in archive
BrandEitel-McCullough, Inc. (Eimac)
ClassHigh-Mu Transmitting Triode
BaseConcentric cylinders / Spring-finger collets
Filament6.3V @ 1025mA
Construction
Primary TypeTriode
EnvelopePlanar Metal-to-Glass
Base MaterialMetal
Sections1
Filament / Heater
MaterialOxide-Coated
Warm-up Time60s
Heater NotesHeater voltage depends on frequency; varies from 6.3V (up to 400 Mc) down to 4.5V (2000 Mc and above).
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation100 W
Grid 1 Voltage-400 V
Cathode Current125 mA
Audio Performance
Key Features
- Planar construction
- VHF/UHF range
- Forced air cooling
- High-mu
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier (500 Mc) | 600V | 25000 | - | 100 | 80mA |
| RF Oscillator (2500 Mc) | 900V | - | - | - | 90mA |
| Plate-Modulated RF Amplifier (500 Mc) | 600V | - | - | - | 65mA |
Application Notes
Physically and electrically identical to the Eimac 2C39A but with additional production tests for long-pulse cathode evaluation.
Sort by
Showing 1 to 0 of 0 results