M81

Russian continuous-wave microwave magnetron for RF power generation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

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: -
Nominal heater current: 32 A
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

Magnetron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

2026 Russian Magnetron datasheet. continuous operation; frequency 2325–2425 MHz (two bands); output power 5 kW; anode operating voltage 6 kV (not specified maximum); cooling forced water; direct cathode; 6.5 kg; industrial heating; filament 10–16 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.

No source-specific operating conditions are recorded.