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Specialized - Cathode Ray ·CathodeRay

5ZP16

Five-inch flying-spot-scanner CRT with electrostatic focusing, magnetic deflection, and a P16 violet/near-ultraviolet extremely-short-persistence screen. Published anode capability reaches approximately 27 kV.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
12C
Socket code
DUODECAL11
Base pins
7
Nominal heater
6.3 V / 600 mA

Description

Five-inch flying-spot-scanner CRT with electrostatic focus, magnetic deflection, and P16 violet/near-UV, extremely short persistence.

Socket description

Duodecal 11-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12C
Socket code
DUODECAL11
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12C - 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
27000 V

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Application

  • Application

    FlyingSpotScanner text

Data set 02

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

    Magnetic

  • Deflection Angle

    40 degree

  • Phosphor

    P16 violet/near-UV, extremely short persistence

  • MinimumUsefulScreenDiameter

    4.25 in

  • Cathode To All Capacitance

    8 pF

  • Grid1 To All Capacitance

    5 pF

  • ExternalNeckCoatingToAnodeCapacitanceMinimum

    100 pF

  • ExternalNeckCoatingToAnodeCapacitanceMaximum

    500 pF

Other

  • Anode2VoltageMaximum

    30000 V

  • Anode1VoltageMaximum

    7700 V

  • Grid2VoltageMaximum

    385 V

  • Grid1NegativeBiasMagnitudeMaximum

    165 V

  • Grid1PositiveBiasMaximum

    0 V

  • Grid1PositivePeakVoltageMaximum

    2 V

  • HeaterCathodeVoltageMaximum

    450 V

    Warmup<=15s;HeaterNegative

  • HeaterCathodeVoltageMaximum

    165 V

    AfterWarmup;HeaterNegative

  • HeaterCathodeVoltageMaximum

    165 V

    HeaterPositive

  • Anode2Voltage

    27000 V

  • Anode1VoltageForFocus

    5550 to 7050 V

  • Grid2 Voltage

    200 V

  • Grid1VoltageForCutoff

    -42 to -98 V

  • Anode Current

    15 uA

  • Anode1CurrentMaximum

    25 uA

  • Grid2 Current

    -15 to +15 uA

  • Grid1CircuitResistanceMaximum

    1.5 Mohm

Data set 03

1971 RCA HB3 Binder 1 of 7

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Maximum grid 3 voltage

    7000 V

  • Maximum grid 2 voltage

    350 V

  • Maximum grid 1 negative-bias voltage

    150 V

    NegativeBias

  • Maximum grid 1 positive-bias voltage

    0 V

    PositiveBias

  • Maximum grid 1 positive-peak voltage

    2 V

    PositivePeak

  • Peak heater-cathode voltage

    410 V

    HeaterNegativeWarmup

  • Peak heater-cathode voltage

    150 V

    HeaterNegativeAfterWarmup

  • Peak heater-cathode voltage

    150 V

    HeaterPositive

  • Maximum accelerating/anode voltage

    27000 V

  • ULTOR VOLTAGE

    27000 V

    Maximum

  • GRID-No.3 VOLTAGE

    7000 V

    Maximum

  • Ultor Current 25

    15 uA

  • Grid—No.l—Circuit Resistance

    1.5 MΩ

    Maximum

Capacitance

  • Grid 1 to all other electrodes capacitance

    8 pF

    Approximate

  • Cathode to all other electrodes capacitance

    5 pF

    Approximate

  • External conductive neck coating to ultor capacitance maximum

    500 pF

    Maximum

  • External conductive neck coating to ultor capacitance minimum

    100 pF

    Minimum

Characteristic

  • Deflection angle

    40 degrees

    Approximate

  • Grid No.l to 'all other electrodes

    8 pF

  • Cathode to all other electrodes

    5 pF

  • Deflection Angle (Approx.)

    40 degrees

  • Grid—No.2 Current —15 to

    15 uA

  • Deflection angle

    40 degrees

    Approximate