Tube-number record
7264
0 archive entries
7264 is a tube type in the TubeDatabase archive (class: Multiplier Phototube). Recorded specifications: brand RCA, year 1959, construction Multi-section, base Small-Shell Bidecal 20-Pin (JETEC No.B20-102), socket 20/21-pin, and maximum plate voltage 2800 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassMultiplier Phototube
Base20/21-pin
Construction
Primary TypeMulti-section
EnvelopeT16
Base MaterialSmall-Shell Bidecal 20-Pin (JETEC No.B20-102)
Sections14 dynode stages
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2800 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Very-Low-Light-Level (Column A) | 2000 V | — | — | 12500000 | — |
| High-Output-Pulse (Column B) | 2800 V | — | — | 12500000 | — |
Application Notes
Average anode current should be kept well below 2 mA for stability; recommended to stay below 250 microamperes for maximum stability. Exposure to strong UV may increase dark current.
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