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Specialized - Cathode Ray ·CathodeRay

SC3561P2

SC3561-family special-purpose CRT with electrostatic focusing and deflection and a P2 long-persistence screen, supporting retained precision display, recording, character-writing, oscillographic, or electrostatic-printing applications.

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

Description

Sylvania SC3561P2 special-purpose CRT with electrostatic focus and electrostatic deflection; P2 long-persistence. Published high-voltage ratings, focus/deflection data, capacitances, circuit limits, and typical operating conditions were extracted from the supplied datasheet.

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
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
5500 V

Published Sylvania CRT maximum ratings and operating characteristics promoted/extracted from supplied source.

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

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

  • Heater Voltage

    6.3 V

  • Heater Current

    600 mA

  • FocusingMethod

    Electrostatic

  • DeflectionMethod

    Electrostatic

  • PhosphorOrScreen

    P2 long-persistence

  • UsefulScreenOrScan

    multi-gun

  • DeflectionFactorUniformityMaximum

    1.5 %

  • InteractionFactorMaximum

    0.00006 in/V

  • UsefulScanD1D2

    7.5 in

  • UsefulScanD3D4

    7.375 in

  • Grid1 To All Capacitance

    8 pF

  • Cathode To All Capacitance

    6 pF

Other

  • AnodeVoltageMaximum

    5500 V

  • Grid1NegativeBiasMagnitudeMaximum

    220 V

  • Grid1PositiveBiasMaximum

    0 V

  • Grid1PositivePeakVoltageMaximum

    2 V

  • Grid1CircuitResistanceMaximum

    1.5 Mohm

  • HeaterCathodeVoltageMaximum

    200 V

    AfterWarmup

  • PeakVoltageAnodeToDeflectionPlate

    550 V

  • Anode2VoltageMaximum

    5500 V

  • AstigmatismElectrodeVoltageMaximum

    5500 V

  • FocusElectrodeVoltageMaximum

    3000 V

  • PeakVoltageAnodeToDeflectionPlate

    1500 V

  • Anode Voltage

    5000 V

  • FocusElectrodeVoltage

    850 to 1500 V

  • Grid1VoltageForCutoff

    -50 to -100 V

  • DeflectionFactorD1D2

    80 V/in

  • DeflectionFactorD3D4

    80 V/in