DIODE-PENTODE
0 Tubes in archive
BrandTUNG-SOL
ClassRECEIVING TUBE
Base12-pin Compactron (E12-74)
Filament33.6V @ 0.45mA
Construction
Primary TypeCOMPACTRON
EnvelopeT-12
Base MaterialGlass
SectionsDiode, Beam Power Pentode
Filament / Heater
Heater NotesHeater warm-up time: 11 seconds (EIA Standard RS-239)
Absolute Maximum Ratings
Plate Voltage4200 V
Cathode Current135 mA
H-C Voltage4200 V
Audio Performance
Key Features
- High-Perveance Diode
- Beam Power Pentode
- Television Horizontal-Deflection Amplifier
- Damping Diode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section (Low Voltage) | 60V | - | - | - | 320mA |
| Pentode Section (Typical) | 130V | 6500 | 10000 | 4 | 48mA |
Application Notes
Designed for service as the damping diode and horizontal-deflection amplifier in television receivers.
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