Tube-number record
8664
0 archive entries
8664 is a tube type in the TubeDatabase archive (class: Photomultiplier Tube). Recorded specifications: brand RCA, year 1970, construction Other / special, and maximum plate voltage 2000 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassPhotomultiplier Tube
Construction
Primary TypeOther / special
EnvelopeUV-Grade Sapphire Window
Sections10-stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2000 V
Grid 2 Voltage250 V
Grid 1 Voltage600 V
Cathode Current2 mA
Audio Performance
Key Features
- Ruggedized
- 2-inch Diameter
- 10-Stage Type
- Bialkali Cathode
- Venetian-Blind structure
- UV-Grade Sapphire Window
- Plano-Plano Window Shape
- Guard Ring to minimize leakage
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| E = 1500V Operation | 1500 V | — | — | 260000 | — |
| E = 2000V Operation | 2000 V | — | — | — | — |
Application Notes
Recommended operation at or below room temperature. Guard ring should be operated at or near anode potential to minimize leakage current.
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