Tube-number record
HIGH-FREQUENCY SHORT-CHARACTERISTIC PENTODE
0 archive entries
HIGH-FREQUENCY SHORT-CHARACTERISTIC PENTODE is a tube type in the TubeDatabase archive (class: Pentode). Recorded specifications: construction Pentode, base glass, socket 7-pin (non-miniature), maximum plate voltage 300 V, and maximum plate dissipation 3.5 W. The archive does not yet hold a photographed example of this type.
ClassPentode
Base7-pin (non-miniature)
Filament6.3 V @ 300 mA
Construction
Primary TypePentode
Envelopeglass
Base Materialglass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3.5 W
Grid 2 Voltage150 V
Cathode Current20 mA
H-C Voltage90 V
Audio Performance
Key Features
- High-frequency amplification
- Short-characteristic
- Indirectly heated
- Oxide-coated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| pentode | 250 V | 5900 | 200000 | — | 11 mA |
Application Notes
Designed for high-frequency voltage amplification in electronic devices.
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