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Specialized - Cathode Ray ·CathodeRay

5CSP5

Five-inch flat-screen single-gun recording CRT with three pairs of electrostatic deflection plates, designed for rotating-drum camera recording of very-high-frequency pulses on a spiral time base.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B12A
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

The ETC 5CSP5 is a five-inch flat-screen single-gun cathode-ray tube with three pairs of electrostatic deflection plates, designed for rotating-drum camera recording of very-high-frequency pulses on a spiral time base.

Socket description

Duodecal 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12A
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.

Cathode-ray electron-gun section; CRT-specific ratings are retained in TUBE_SECTION_PARAMETER because fixed plate/screen fields are not semantically equivalent.

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

1961 Electronic Tube Corp

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Heater voltage

    6.3 V

  • Heater current nominal

    600 mA

  • Maximum negative grid-1 bias magnitude

    200 V

  • Maximum positive grid-1 bias

    0 V

  • Maximum heater-to-cathode voltage magnitude

    180 V

  • Typical accelerator voltage

    3500 V

  • Typical focusing voltage

    575 to 575 V

  • Typical grid-1 voltage

    -75 to -56 V

  • Typical anode 3 voltage minimum

    3000 V

  • Typical anode 3 voltage maximum

    4000 V

  • Typical anode 2 voltage minimum

    1500 V

  • Typical anode 2 voltage maximum

    2000 V

  • Beam cutoff grid voltage minimum

    -75 V

  • Beam cutoff grid voltage maximum

    -56 V

  • Deflection factor D1-D2 minimum

    72 V/in

  • Deflection factor D1-D2 maximum

    100 V/in

  • Deflection factor D5-D6 minimum

    110 V/in

  • Deflection factor D5-D6 maximum

    160 V/in

Construction

  • Focusing method

    Electrostatic

  • Deflecting method

    Electrostatic

  • Electron gun / beam count

    1

Characteristic

  • Phosphor options

    P5,P11

Capacitance

  • Grid to all other electrodes

    7.5 pF

  • D1 to D2

    1.1 pF

  • D3 to D4

    1.2 pF

  • D5 to D6

    0.8 pF