D12-390GH/119
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ClassInstrument Cathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3V @ 100mA
Construction
Primary TypeOther / special
EnvelopeAll glass
Base MaterialGlass
Sections1
Filament / Heater
Warm-up Time7s
Heater NotesIndirect by AC or DC; not to be connected in series with other tubes.
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage2200 V
Grid 1 Voltage200 V
H-C Voltage125 V
Audio Performance
Key Features
- 12 cm diagonal rectangular flat face
- domed mesh post-deflection acceleration
- permanent magnetic correction system
- low heater power consumption
- very high brightness
- internal graticule type 119
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 10000V | - | - | - | 0.01mA |
Application Notes
Designed for portable oscilloscopes with up to 50 MHz bandwidth and read-out devices.
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