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2K57

Sperry reflex klystron intended for microwave oscillator service, using velocity modulation and a reflector electrode to generate tunable microwave-frequency output.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 1.5 A

Description

The 2K57 is a Sperry reflex klystron intended for microwave service at microwave frequencies.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 1.5 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 1

Klystron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Special microwave/gas-discharge section; published electrical data retained as section parameters.

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.

Data set 01

1945 Sperry

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

Beam voltage
750 V
AbsoluteMaximum
Beam voltage
750 V
AbsoluteMaximum
Beam current
75 mA
AbsoluteMaximum
Beam current
75 mA
AbsoluteMaximum
Heater-cathode voltage
45 V
Peak
Heater-cathode voltage
45 V
Peak