Tube-number record
DL620
0 archive entries
DL620 is a tube type in the TubeDatabase archive (class: Subminiature Output Pentode). Recorded specifications: brand Mullard, construction Pentode, socket Subminiature, and maximum plate voltage 90 V. The archive does not yet hold a photographed example of this type.
BrandMullard
ClassSubminiature Output Pentode
BaseSubminiature
Construction
Primary TypePentode
EnvelopeSubminiature
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage90 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Single Valve Class A (Condition 1) | 45 V | — | — | — | 1.8 mA |
| Single Valve Class A (Condition 2) | 67.5 V | 650 | 110000 | 5 | 3.25 mA |
| Single Valve Class A (Condition 3) | 90 V | — | — | — |
Application Notes
Direct soldered connections to the leads must be at least 5mm from the seal. Any bending of the valve leads must be at least 1.5mm from the seal.
Datasheets
Datasheet: DL620.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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