Tube-number record
3HP7
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BrandRCA
ClassCathode-Ray Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesCoated Unipotential Cathode; a-c or d-c
Absolute Maximum Ratings
Plate Voltage5500 V
Grid 2 Voltage220 V
H-C Voltage125 V
Audio Performance
Key Features
- Magnetic Focusing
- Magnetic Deflection
- High-Vacuum
- Snap Terminal Side Connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation 1 | 4000 V | — | — | — | — |
| Typical Operation 2 | 5000 V | — | — | — | — |
Application Notes
Anode voltage should not be less than 4000 volts. Brilliance and definition decrease with decreasing anode voltage. Visual cut-off values are subject to a variation of plus/minus 50 percent.
Datasheets
Datasheet: 3HP7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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