Tube-number record
OE 418 PA
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BrandCSF
ClassCathode Ray Tube
Base10-pin
Filament6.3 V @ 500 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater NotesCurrent range 450 mA to 550 mA
Absolute Maximum Ratings
Plate Voltage5500 V
Plate Dissipation6 W
Grid 2 Voltage2750 V
Grid 1 Voltage-80 V
Cathode Current1 mA
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic focus
- Electrostatic deflection
- Post-acceleration electrode
- Multiple screen options (P1, P5, PZ)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post-acceleration Operation 1 | 2000 V | — | — | — | 0.05 mA |
| Post-acceleration Operation 2 | 4000 V | — | — | — | 0.05 mA |
| Post-acceleration Operation 3 | 5000 V | — | — | — |
Application Notes
Recommended to use a mu-metal shield to prevent magnetic field interference. Anode 3 (Va3) should be between Va2 and 2*Va2. Avoid leaving a high-intensity stationary spot to prevent screen burn.
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