Tube-number record
SC-4009
0 archive entries
SC-4009 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Sylvania, construction Display / CRT, base Medium Shell Diheptal, socket CRT base (B12 family), maximum plate voltage 4400 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandSylvania
ClassCathode Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular clear faceplate
Base MaterialMedium Shell Diheptal
SectionsSingle gun
Filament / Heater
Heater Notes6.3 Volts, 0.6 Amperes (+/- 10%)
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 2500 V | — | — | — | 0.4 mA |
Application Notes
Designed for modern oscilloscopes featuring a rectangular display. The electron gun offers high deflection and pattern linearity. Maximum product of Anode No. 2 voltage and average current should be limited to 6.0 watts.
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