Tube-number record
6645
0 archive entries
6645 is a tube type in the TubeDatabase archive (class: Broad-band TR Tube). Recorded specifications: brand Bomac Laboratories, Inc., construction Integral cavity, base Metal, socket Special / none, and maximum plate dissipation 100 W. The archive does not yet hold a photographed example of this type.
BrandBomac Laboratories, Inc.
ClassBroad-band TR Tube
BaseSpecial / none
Filament115 V @ 217.39 mA
Construction
Primary TypeIntegral cavity
EnvelopeMetal
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater Notes380-1000 cps AC supply
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Ignitor | 375 V | — | — | — | 0.1 mA |
Application Notes
Designed to decouple the receiver from a common antenna during transmission. Operates well below freezing due to heater/thermostat assembly.
Datasheets
Datasheet: 6645.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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