Tube-number record
ECF 201
0 archive entries
ECF 201 is a tube type in the TubeDatabase archive (class: Triode Pentode). Recorded specifications: brand Mazda, year 1968, construction Multi-section, socket Special / none, maximum plate voltage 250 V, and maximum plate dissipation 2.1 W. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassTriode Pentode
BaseSpecial / none
Filament6.3 V @ 410 mA
Construction
Primary TypeMulti-section
EnvelopeA22-2
Sections2
Filament / Heater
Heater NotesAlimentation du filament en parallèle
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Nominal | 160 V | 12600 | — | 45 | 13 mA |
| Triode Nominal | 100 V | 4800 | — | 17.5 | 14 mA |
| Pentode IF Amplifier (Vb=210V) | 210 V | 12600 | — | — | 13.2 mA |
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