K27

Russian indirectly heated reflex klystron for microwave RF oscillation and measurement.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 525 mA

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: 6.3 V
Nominal heater current: 525 mA
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 1

Klystron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

2026 Russian Klystron datasheet. Reflex klystron; frequency 3.1–3.53 cm wavelength; RF output 8–20 mW/A; 10–15 mW/B; resonator operating voltage 300 V; reflector negative 85–200 V/A; 40–140 V/B; tuning range 40 MHz; metal coaxial output; 60 g; natural cooling; mechanical tuning.

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.