HF-PENTODE
0 Tubes in archive
BrandTELEFUNKEN
ClassSmall Signal Pentode
Base6-pol. Stiftsockel
Filament1.9V @ 0.5mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated oxide cathode
Absolute Maximum Ratings
Plate Voltage220 V
Plate Dissipation1 W
Grid 2 Voltage140 V
Cathode Current7 mA
H-C Voltage35 V
Audio Performance
Key Features
- Hochfrequenzverstärkung bis zu ca. 1 m Wellenlänge
- Indirekt geheizt
- Serienschaltung nicht möglich
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal Operation | 210V | 1500 | 1500000 | 2000 | 2mA |
Application Notes
The typical operating point should be set automatically by cathode resistor. If screen grid voltage is supplied via a series resistor, a value of 250 kOhms is recommended.
Sort by
Showing 1 to 0 of 0 results