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LB20

High-vacuum cathode-ray tube documented in German military technical literature with published operating data and deflection information. The source does not establish a sufficiently specific application for narrower functional classification.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 60 mA

Description

LB20 is a high-vacuum cathode-ray tube for electrostatic and/or electromagnetic deflection as specified in the approved German technical sheet.

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: 60 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

Cathode Ray

X-ray radiationInterelectrode capacitances

Max plate voltage: 2000 V

Published ratings and characteristics promoted where directly established; additional values retained as 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

194X Wehrmacht Rohren

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

Heater Voltage
12.6 V
Published technical-data value
Heater Current
60 mA
Published technical-data value
Maximum Anode/Acceleration Voltage
2000 V
Published technical-data value