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Specialized - Cathode Ray ·CathodeRay

5EDP1

Five-inch P1 cathode-ray instrument tube for oscillograph or measurement display, with manufacturer-specified focusing, deflection, accelerating voltages, and phosphor characteristics for precision waveform presentation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
B6-63
Socket code
DUODECAL6
Base pins
6
Nominal heater
6.3 V / 600 mA

Description

5-inch high-resolution cathode-ray tube with electrostatic focus, magnetic deflection, flat optical-quality faceplate, and fine-grain aluminized phosphor screen.

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
B6-63
Socket code
DUODECAL6
Base pins
6
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

B6-63 - 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 0

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

CRT electrode ratings, focusing/deflection data, capacitances, and operating voltages are preserved in parameter rows.

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

1951 Thomas Electronics

Published operating points and test conditions from this source.

SECTION 0

Cathode Ray

Characteristic

  • FocusingMethod

    Electrostatic

  • DeflectionMethod

    Magnetic

  • Deflection Angle

    42 degree

  • Heater Voltage

    6.3 V

  • Heater Current

    600 mA

Other

  • MaximumMainAnodeOrAcceleratorVoltage

    30000 V

  • TypicalMainAnodeOrAcceleratorVoltage

    25000 V

  • MaximumFocusingElectrodeVoltage

    9000 V

  • Maximum Grid2 Voltage

    1000 V

  • TypicalFocusingElectrodeVoltage

    6300 to 7500 V

  • Typical Grid2 Voltage

    650 V

  • Grid1CutoffVoltage

    -70 to -30 V

  • Maximum Heater Cathode Voltage

    150 V

Capacitance

  • Cathode To All Capacitance

    7 pF

  • Grid1 To All Capacitance

    12 pF

  • Grid2 To All Capacitance

    11 pF