Tube-number record
4465
0 archive entries
4465 is a tube type in the TubeDatabase archive (class: Multiplier Phototube). Recorded specifications: brand RCA, year 1964, construction Multi-section, base Non-hygroscopic, socket Diheptal, and maximum plate voltage 2500 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassMultiplier Phototube
BaseDiheptal
Construction
Primary TypeMulti-section
EnvelopeJ42
Base MaterialNon-hygroscopic
Sections10-Stage
Filament / Heater
Absolute Maximum Ratings
Plate Voltage2500 V
Grid 2 Voltage300 V
Grid 1 Voltage600 V
Cathode Current1 mA
H-C Voltage600 V
Audio Performance
Key Features
- 10-Stage
- Head-on type
- Venetian-blind dynode structure
- Flat-faceplate
- Low dark current
- High sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| At 2000V DC Supply | 2000 V | — | — | 1600000 | — |
| At 1500V DC Supply | 1500 V | — | — | 31000 | — |
Application Notes
Designed for photometry, flying-spot scanning, and scintillation counter equipment requiring response from blue visible into near infrared.
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