12BGP4
0 Tubes in archive
BrandNational Union Corporation
ClassCathode Ray Tube
BaseB7-208
Filament6.3V @ 450mA
Construction
Primary TypeCRT
EnvelopeJ-99-Al
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater Notes450 mA design
Absolute Maximum Ratings
Plate Voltage15000 V
H-C Voltage200 V
Audio Performance
Key Features
- 110° Deflection
- Filled Rim Implosion Protection
- Straight gun (no ion trap)
- Aluminized Screen
- Electrostatic Focus
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 12000V | - | - | - | 0.1mA |
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.
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