Tube-number record
7553
0 archive entries
7553 is a tube type in the TubeDatabase archive (class: High-Mu Triode). Recorded specifications: brand RCA, year 1961, construction Triode, socket Planar / disc seal, maximum plate voltage 250 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassHigh-Mu Triode
BasePlanar / disc seal
Filament6.3 V @ 225 mA
Construction
Primary TypeTriode
EnvelopeCeramic-Metal
Sections1
Filament / Heater
Heater NotesUnipotential Cathode
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 125 V | 13000 | 6150 | 80 | 12.5 mA |
| RF Amplifier - Cathode-Drive Service | 125 V | — | — | — | 12.5 mA |
Application Notes
For use as a low-noise amplifier tube in receiver applications up to 1000 Mc. Connections to cathode, grid flange, and plate cylinder should be made by flexible spring contacts.
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