Tube-number record
7625
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BrandGeneral Electric
ClassHigh-mu triode
BasePlanar / disc seal
Filament6.3 V @ 215 mA
Construction
Primary TypeTriode
EnvelopeMetal-Ceramic Planar
Base MaterialMetal/Ceramic
SectionsSingle
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation0.85 W
Grid 1 Voltage-50 V
Cathode Current3.8 mA
H-C Voltage50 V
Audio Performance
Key Features
- Metal-ceramic planar construction
- High-mu
- Primarily intended for low-level audio-frequency amplification
- Compact planar design
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Low-level audio-frequency amplification | 150 V | 1400 | 57000 | 80 | 0.95 mA |
Application Notes
Operation below the rated maximum envelope temperature is recommended for applications requiring the longest possible tube life.
Datasheets
Datasheet: 7625.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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