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22JP22

P22 color cathode-ray picture tube documented for high-voltage color television display service, using a multicolor phosphor screen and manufacturer-specified electron-gun and deflection system.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: 12
Nominal heater: 6.3 V / 900 mA

Description

22JP22 is a color picture tube using electrostatic focusing and magnetic deflection. The source specifies a P22 screen and publishes CRT accelerating/anode ratings, control and focusing-electrode limits, heater-cathode limits, capacitances, and operating or deflection characteristics.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 900 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: 27500 V

CRT maximum accelerating/anode/ultor voltage is promoted to MaxPlateVoltage; additional electrode ratings, capacitances, operating conditions, focus/deflection and optical data are 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

1971 RCA HB3 Binder 1 of 7

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

Heater current
900 mA
At6.3V
Diagonal deflection angle
90 deg
Approximate
Horizontal deflection angle
79 deg
Approximate
Vertical deflection angle
63 deg
Approximate

Capacitance

Grid 3 to all other electrodes
6.5 pF
Cathode to all other electrodes
15 pF
External conductive coating to anode capacitance
- to 2500 pF

Other

Maximum grid 3 voltage
6000 V
Maximum grid 1 negative-bias voltage
400 V
NegativeBias
Maximum grid 1 negative operating cutoff voltage
200 V
NegativeCutoff
Maximum grid 1 positive-bias voltage
0 V
PositiveBias
Maximum grid 1 positive-peak voltage
2 V
PositivePeak
Maximum heater standby voltage
5 V
Standby
Peak heater-cathode voltage
200 V
HeaterPositive
Maximum grid 3 circuit resistance
7.5 MΩ