Tube-number record
12BGP4
0 archive entries
12BGP4 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand National Union Corporation, construction Display / CRT, socket CRT base (B7 family), and maximum plate voltage 15000 V. The archive does not yet hold a photographed example of this type.
BrandNational Union Corporation
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-99-Al
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater Notes450 mA design
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 12000 V | — | — | — | 0.1 mA |
Application Notes
The 12BGP4 is a 12-inch cathode ray tube designed for television applications, featuring a 110-degree deflection angle and a filled rim for implosion protection. It uses a straight electron gun that does not require an ion trap.
Datasheets
Datasheet: 12BGP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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