Tube-number record
7BMP
0 archive entries
7BMP is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Electronic Tube Corp., construction Electrostatic deflection and focus, base Diheptal, socket CRT base (B12 family), and maximum plate voltage 8000 V. The archive does not yet hold a photographed example of this type.
BrandElectronic Tube Corp.
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 0.6 mA
Construction
Primary TypeElectrostatic deflection and focus
Envelope7-inch rectangular
Base MaterialDiheptal
SectionsSingle gun
Filament / Heater
Heater Notes± 10%
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 5000 V | — | — | — | — |
Application Notes
The tube can be severely and permanently damaged if current density on the P19 screen is allowed to raise too high in static tests.
0 results