Data set 01
2026 Russian Power
Published operating points and test conditions from this source.
SECTION 0
Tetrode
Other
Heater/filament voltage
12.6 V
Nominal heater voltage
Maximum plate voltage
10000 V
Maximum anode voltage
Specialized - Switching Tube ·Tetrode
GMI27B
Russian high-voltage pulse tetrode for modulator switching.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 12.6 V / -
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- -
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
1 physical section, each with unique specifications.
Section 0
Tetrode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 10000 V
RF power amplifier tetrode; 1000 MHz maximum operating frequency; transconductance 0.170–0.240 A/V.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.