Tube-number record
6J1
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ClassHigh-frequency Pentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 170 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation1.8 W
Grid 2 Voltage150 V
Cathode Current20 mA
H-C Voltage120 V
Audio Performance
Key Features
- High transconductance
- Low feedback capacitance
- Sharp-cutoff
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode | 120 V | 5150 | 600000 | — | 7.35 mA |
Application Notes
Commonly used in broadband amplifiers and high-frequency applications.
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