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Specialized - Cathode Ray ·CathodeRay

D13621GH

Philips or Telefunken D-series cathode-ray instrument tube designed for oscillographic and measurement display, with manufacturer-defined electrostatic beam control, deflection, screen, and accelerating characteristics for type D13621GH.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DIN1425
Base pins
-
Nominal heater
6.3 V / 300 mA

Description

Single-beam oscilloscope tube with flat-faced screen and high deflection sensitivity, intended for service oscilloscopes.

Socket description

DIN 14-25 14-contact CRT base family

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DIN1425
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
300 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

No fixed ratings are recorded for this section.

Cathode-ray/oscilloscope section; operating voltages and deflection characteristics 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

195X AEG Telefunken

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Other

  • Mean Deflection Plate Potential

    2000 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Acceleration Voltage

    2000 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Wehnelt Voltage for Spot Cut-off

    -75 to -45 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Modulation Voltage

    20 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Focusing Voltage

    340 to 500 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Astigmatism Correction Voltage

    1960 to 2040 V

    Published typical operating condition or characteristic from the approved datasheet.

  • Heater Voltage

    6.3 V

    Published heater rating.

  • Heater Current

    300 mA

    Published heater rating.

Characteristic

  • Deflection Coefficient Y

    11.3 to 13.7 V/cm

    Published typical operating condition or characteristic from the approved datasheet.

  • Deflection Coefficient X

    20 to 25 V/cm

    Published typical operating condition or characteristic from the approved datasheet.

  • Useful Scan Y

    80 mm

    Published typical operating condition or characteristic from the approved datasheet.

  • Useful Scan X

    100 mm

    Published typical operating condition or characteristic from the approved datasheet.