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F8038P7

P7 cathode-ray display tube with electrostatic focusing, electromagnetic deflection, and 9–15 kV second-anode operation, providing long-persistence visual display characteristics.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 600 mA

Description

High-definition metal-cone CRT with electrostatic focus, electromagnetic deflection, aluminized screen, blue fluorescence and yellow-green long persistence.

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: 600 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
Electrostatic
Deflection method
1 code
Electromagnetic
Anode-2 voltage minimum
9000 V
Anode-2 voltage maximum
15000 V
Anode-1 voltage minimum
-550 V
Anode-1 voltage maximum
1100 V
Anode-2 voltage
12000 V
Heater current minimum
540 mA
Heater current maximum
660 mA

Capacitance

Cathode capacitance
5 pF
ToAllOtherElectrodes
Control-grid capacitance
7.8 pF
ToAllOtherElectrodes