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OM738ARO

Large-screen high-definition aluminized CRT with electromagnetic focusing and deflection and orange long-persistence phosphor, reinforced for military and professional display equipment.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 4 V / 800 mA

Description

Large-screen high-definition aluminized CRT with electromagnetic focus and deflection, orange long-persistence phosphor, reinforced for military and professional equipment.

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: 4 V
Nominal heater current: 800 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

No fixed ratings are recorded for this section.

Published promoted ratings/characteristics retained where readable; additional values are in TUBE_SECTION_PARAMETER.

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

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

Focus method
1 code
Electromagnetic
Deflection method
1 code
Electromagnetic
Plate voltage
7000 V
LowerPublishedColumn
Plate voltage
11000 V
UpperPublishedColumn
Plate voltage
10000 V
Heater current minimum
720 mA
Heater current maximum
880 mA

Capacitance

Cathode capacitance
6 pF
ToAllOtherElectrodes
Grid capacitance
7 pF
ToAllOtherElectrodes