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5QP4

Five-inch high-voltage cathode-ray display tube with magnetic beam deflection or focusing characteristics, designed for direct visual display with manufacturer-specified accelerating and grid-control ratings.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: B5AN
Socket code: OCTALCRT8
Base pins: 8
Nominal heater: 6.3 V / 600 mA

Description

Five-inch magnetic-focus, magnetic-deflection direct-view cathode-ray tube for industrial applications, with reflective metal-backed P4 screen.

Socket description

Octal 8-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: B5AN
Socket code: OCTALCRT8
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 600 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

B5AN - 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: 12000 V
Max screen voltage: 2 V

Published ratings and characteristics promoted semantically from source.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

Maximum Plate Voltage
12000 V

Characteristic

Phosphor
P4
Focusing Method
Magnetic
Deflecting Method
Magnetic

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

HeaterOrFilamentVoltageNominal
6.3 V
HeaterOrFilamentCurrentNominal
600 mA
AnodeVoltage12000MaxVoltsDC
12000 V
Published datasheet table
GridNo2VoltageL10MaxVoltsDCValue1
2 V
Published datasheet table
GridNo2VoltageL10MaxVoltsDCValue2
0 V
Published datasheet table
GridNo1Voltage
1
Published datasheet table
DuringWarmUpPeriodNotToExceed15Seconds410MaxVoltsDCValue1
15 s
Published datasheet table
DuringWarmUpPeriodNotToExceed15Seconds410MaxVoltsDCValue2
410 s
Published datasheet table
AfterEquipmentWarmUpPerilod125MaxVoltsDC
125 V
Published datasheet table