Tube-number record
SC-3863
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BrandSylvania
ClassElectrostatic Charge Printing Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeC1-3
Base MaterialPlastic/Phenolic
SectionsSingle
Filament / Heater
Heater NotesVoltage range 5.7 to 6.9 Volts
Absolute Maximum Ratings
Plate Voltage25000 V
Grid 2 Voltage700 V
H-C Voltage200 V
Audio Performance
Key Features
- High Speed Printing
- High Resolution
- Electrostatic Charge Target Array
- Magnetic Focus
- Magnetic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 20000 V | — | — | — | 0.1 mA |
Application Notes
Designed for use in high speed printing equipment. Uses an array of fine wires extending through the bulb wall as a target to produce charge patterns on dielectric material.