Tube-number record
4557
0 archive entries
4557 is a tube type in the TubeDatabase archive (class: Display Cathode-Ray Tube). Recorded specifications: brand RCA, year 1969, construction Display / CRT, socket Duodecal, and maximum plate voltage 16000 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassDisplay Cathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope12-inch Rectangular
Sections1
Filament / Heater
Heater NotesOperating range: 5.7 to 6.9 V
Absolute Maximum Ratings
Plate Voltage16000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended | 12000 V | — | — | — | 0.1 mA |
Application Notes
For maximum cathode life, it is recommended that the heater supply be regulated at 6.3 volts. Shielding for X-radiation may be needed for anode voltages as high as 16,000V.
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