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7BKP1

Five-and-a-half-inch square-faced CRT with electrostatic focusing and deflection, post acceleration, low pattern distortion, high sensitivity, and high brightness for precision instrument display.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 2 V / -

Description

5-1/2-inch square-faced cathode-ray tube with electrostatic focus and deflection, post acceleration, low pattern distortion, high sensitivity, and high brightness.

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: 2 V
Nominal heater current: -
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.

Promoted fields mapped by printed headings; additional data retained in 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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

Heater Voltage o« o« ¢ o o o 2 o0 o 5 o 6 0 0 « o o o a o » o o o
6.3 V
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Width - [ [.] L] o [ -] o -] E-] [-] [} o e a o © e e 51/2 + 1/
16 in
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Heightoooonunooooc o s s e o s s 5172 £1/
16 in
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J1-22 Contact Aligns with 3Dh Trace *
10 deg
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D1-D2 Aligns with Pin No. 5 and Tube Axis *
10 deg
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Angle Between D3-Di and D1-D2 Traces 90 +
1 deg
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D1-D?2 Trace Aligns with bulb wall t
2 deg
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