Tube-number record
SC-3875
0 archive entries
BrandSYLVANIA
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope19-inch Round Gray Filter Glass
Base MaterialShort Small Shell Duodecal 6-Pin
SectionsSingle gun with electrostatic character writing plates
Filament / Heater
Heater Notes6.3V +/- 10% heater current
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage700 V
Grid 1 Voltage-180 V
H-C Voltage200 V
Audio Performance
Key Features
- Rear Viewing Window
- Ophthalmic Quality Window
- Electrostatic Focus
- Magnetic Deflection
- Electrostatic Character Writing
- Single Ion Trap
- Gray Filter Glass Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 15000 V | — | — | — | — |
Application Notes
Intended for simultaneously photographing the electron image or for optical projection of overlay information for comparator applications.
0 results