Tube-number record
UCH11
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BrandPhilips
ClassTriode-Hexode
BaseSide-contact (P-base)
Filament20 V @ 0.1 mA
Construction
Primary TypeMulti-section
EnvelopeMetal/Glass
Sections2
Filament / Heater
Heater NotesIndirect heating, series supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.5 W
Grid 2 Voltage125 V
Grid 1 Voltage-1.3 V
Cathode Current45 mA
H-C Voltage200 V
Audio Performance
Key Features
- Frequency converter
- Indirectly heated
- Series supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Triode typical characteristics | 150 V | 3200 | — | 17 | 19 mA |
| Hexode section converter 100V | 100 V | 450 | 600000 | — | 1.2 mA |
| Hexode section converter 200V | 200 V | 750 | 1000000 | — |
Application Notes
Used as frequency converter in AC/DC radio receivers.
Datasheets
Datasheet: UCH11.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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