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Tube Tinker — Electron Tube Database
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Specialized - Cathode Ray ·CathodeRay

5TP4

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
12C
Socket code
-
Base pins
12
Nominal heater
6.3 V / 600 mA

Description

Five-inch electrostatic-focus, magnetic-deflection projection picture tube with reflective metal-backed screen.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12C
Socket code
-
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12C - 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.

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

  • HeaterOrFilamentVoltageNominal

    6.3 V

  • HeaterOrFilamentCurrentNominal

    600 mA

  • AnodeNo2VoltageValue1

    2 V

    Published datasheet table

  • AnodeNo2VoltageValue2

    27000 V

    Published datasheet table

  • AnodeNo1VoltageValue1

    1 V

    Published datasheet table

  • AnodeNo1VoltageValue2

    6000 V

    Published datasheet table

  • GridNo2VoltageValue1

    2 V

    Published datasheet table

  • GridNo2VoltageValue2

    350 V

    Published datasheet table

  • GridNo1Voltage

    1

    Published datasheet table

  • NegativeBiasValue

    150 V

    Published datasheet table

  • PositiveBiasValue

    0 V

    Published datasheet table

  • DuringWarmUpPeriodNotToExceed15secondsValue1

    15 s

    Published datasheet table

  • DuringWarmUpPeriodNotToExceed15secondsValue2

    410 s

    Published datasheet table

  • AfterEquipmentWarmUpPeriod

    175 V

    Published datasheet table

Capacitance

  • ExternalConductiveCoatingToAnodeCapacitanceApproximate

    300 pF

    Published datasheet table