Tube-number record
EL 502
0 archive entries
EL 502 is a tube type in the TubeDatabase archive (class: Pentode de puissance). Recorded specifications: brand Mazda, construction Pentode, socket Magnoval, maximum plate voltage 250 V, and maximum plate dissipation 20 W. The archive does not yet hold a photographed example of this type.
BrandMazda
ClassPentode de puissance
BaseMagnoval
Filament6.3 V @ 1.3 mA
Construction
Primary TypePentode
EnvelopeT12-72 (Jedec)
Sections1
Filament / Heater
Heater NotesAlimentation du filament en paralléle
Absolute Maximum Ratings
Plate Voltage250 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard Condition 1 | 70 V | — | — | — | 465 mA |
| Standard Condition 2 | 100 V | 17000 | 5000 | — | — |
Application Notes
Afin d'éviter des instabilités du balayage dues à des charges statiques sur le verre, brancher la broche n° 9 (bague argentée extérieure) à la masse du chassis.
Datasheets
Datasheet: EL502.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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