Tube-number record
3CX2500F3
0 archive entries
3CX2500F3 is a tube type in the TubeDatabase archive (class: Transmitting Triode). Recorded specifications: brand EIMAC, year 1967, construction Triode, base Metal, socket Flexible / flying leads, maximum plate voltage 6000 V, and maximum plate dissipation 2500 W. The archive does not yet hold a photographed example of this type.
BrandEIMAC
ClassTransmitting Triode
BaseFlexible / flying leads
Construction
Primary TypeTriode
EnvelopeCeramic and Metal
Base MaterialMetal
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier or Oscillator | 4000 V | 20000 | — | 22.5 | 2500 mA |
| RF Power Amplifier or Oscillator | 5000 V | 20000 | — | 22.5 | 2500 mA |
| RF Power Amplifier or Oscillator | 6000 V | 20000 | — | 22.5 |
Application Notes
The 3CX2500F3 is designed for use as an amplifier, oscillator, or modulator at frequencies below 30 MHz. It provides a greater margin of safety for operating temperatures compared to glass equivalents.
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