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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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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

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
standard pentode150 V10600280000—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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