Alternatives & variations Download PDF datasheet

24ANP4

Large P4 monochrome television picture tube in the 24-inch class, designed for high-voltage direct-view service with manufacturer-specified focusing, magnetic deflection, and beam-control characteristics for type 24ANP4.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: DUODECAL6
Base pins: -
Nominal heater: 6.3 V / 600 mA

Description

Twenty-four-inch rectangular television CRT with electrostatic focus, magnetic deflection, gray-filter glass, aluminized P4 screen, and ion-trap provision.

Socket description

Small-shell Duodecal 6-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: DUODECAL6
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: 22000 V

Direct-view CRT; source includes X-radiation exposure warning at elevated anode voltage.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

Phosphor
P4
Deflection method
Magnetic
Focusing method
Electrostatic

Data set 02

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

During Warm-up Period not to Exceed
15 s
During Warm-up Period not to Exceed 15 Seconds
Anode voltage . •
18000 V
Anode voltage . • 18,000 Volts
Field Strength of PM Ion Trap Magnets
37 G
Field Strength of PM Ion Trap Magnets 37 Gausses Min. Prefiiired and Released By The

CircuitValue

Grid No. 1 Circuit Resistance
1.5 Mohm
Grid No. 1 Circuit Resistance . 1.5 Megohms Max.