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Specialized - Cathode Ray ·CathodeRay

5TO3A

Five-inch Cintel cathode-ray display tube using magnetic deflection and manufacturer-specified focusing, screen, and accelerating characteristics for specialized visual or instrument display service.

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

Description

5TO3A is a radar display tube using magnetic focus and magnetic deflection. The datasheet publishes heater data, screen characteristics, electrode capacitances, maximum ratings, and representative operating conditions.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
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
Max plate voltage
8000 V

CRT maximum electrode voltage promoted where published; screen, focusing, deflection, capacitance and operating data preserved as 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

196X Cintel

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Heater voltage

    6.3 V

  • Heater current

    600 mA

  • Focusing method

    Magnetic

  • Deflection method

    Magnetic

  • Deflection angle

    53 degree

  • Base

    . . . . . . International Octal.

  • Modulator capacitance

    10.5 pF

    InterelectrodeCapacitance

  • Anode 1 capacitance

    9 pF

    InterelectrodeCapacitance

  • Cathode capacitance

    9 pF

    InterelectrodeCapacitance

Other

  • Maximum final anode voltage

    8000 V

  • Typical final anode voltage

    4000 V

  • Typical anode 1 voltage

    250 V