Tube-number record
SR 41
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SR 41 is a tube type in the TubeDatabase archive (class: Voltage Reference Tube). Recorded specifications: brand SRAM, construction Cold molybdenum cathode, socket Flexible / flying leads, and maximum plate voltage 135 V. The archive does not yet hold a photographed example of this type.
BrandSRAM
ClassVoltage Reference Tube
BaseFlexible / flying leads
Construction
Primary TypeCold molybdenum cathode
EnvelopeSubminiature
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage135 V
Cathode Current0.25 mA
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Stabilizing | 85 V | — | 680000 | — | 0.15 mA |
Application Notes
The breakdown voltage is independent of illumination. The anode Az may be used as a firing anode; a small current in this anode causes firing of the main anode when the applied voltage exceeds the stabilized voltage by a few volts.
Datasheets
Datasheet: SR41.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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