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Specialized - Cathode Ray ·CathodeRay

C75S

Special-purpose cathode-ray display tube documented for type C75S; available manufacturer information supports visual-display service but does not justify a narrower functional category.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 800 mA

Description

C75S cathode-ray tube for television or oscillographic display service.

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
6.3 V
Nominal heater current
800 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
1200 V

CRT electrical section; anode-2/accelerating voltage promoted where clearly published.

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

  • Maximum first-anode voltage

    400 V

  • Grid cutoff voltage

    -75 V

  • Screen input dissipation density

    10 mW/cm2

  • Grid capacitance

    10 pF