Tube-number record
LB 1
0 archive entries
LB 1 is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Telefunken, construction Display / CRT, base Plastic, socket 10-pin, and maximum plate voltage 2000 V. The archive does not yet hold a photographed example of this type.
BrandTelefunken
ClassCathode Ray Tube
Base10-pin
Filament12.6 V @ 0.27 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
SectionsSingle beam
Filament / Heater
Heater NotesIndirectly heated oxide cathode. Normal heater range 11V to 13.5V.
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Symmetrical Deflection @ 1000V | 1000 V | — | — | — | — |
| Symmetrical Deflection @ 2000V | 2000 V | — | — | — | — |
Application Notes
Requires protective housing against implosion. Electrostatic/electromagnetic shielding recommended (Permalloy/Mu-Metal).
Datasheets
Datasheet: LB1.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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