Tube-number record
1AD4
0 archive entries
1AD4 is a tube type in the TubeDatabase archive (class: Pentode Subminiature). Recorded specifications: brand Mazda Belvu, construction Pentode, socket Flexible / flying leads, and maximum plate voltage 100 V. The archive does not yet hold a photographed example of this type.
BrandMazda Belvu
ClassPentode Subminiature
BaseFlexible / flying leads
Construction
Primary TypePentode
EnvelopeA 7X 10.1
SectionsSingle
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Plate Voltage100 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal | 45 V | 2000 | 200000 | — | 3 mA |
Application Notes
Care should be taken when soldering leads to avoid overheating the glass-to-metal seal. Leads should not be bent closer than 2mm to the seal.
Datasheets
Datasheet: 1AD4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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