Tube-number record
6ZH38P
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BrandUSSR
ClassHigh-frequency Pentode
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 190 mA
Construction
Primary TypePentode
EnvelopeGlass
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation3 W
Grid 2 Voltage160 V
Cathode Current20 mA
H-C Voltage120 V
Audio Performance
Key Features
- Short characteristic
- Wide-band amplification
- HF operation up to 300 MHz
- Vibration resistant
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| standard pentode | 150 V | 10600 | 280000 | — | 12 mA |
Application Notes
Designed for wide-band amplification of HF voltage in electronic devices. Features include high transconductance and long service life.
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