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Specialized - X-Ray Tube ·XRay

X63C1

Self-rectifying X-ray generating tube for direct high-tension transformer operation at approximately 63 kV peak and 10 mA mean current, with a 1.5 mm square focal spot.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
2.7 V / 1.95 A

Description

Self-rectifying X-ray tube intended for direct operation from a high-tension transformer at 63 kV peak and 10 mA mean rectified current, with external X-ray shielding required.

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
2.7 V
Nominal heater current
1.95 A
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

XRay

X-ray radiationInterelectrode capacitances
Max plate voltage
63000 V
Max cathode current
12 mA

Published ratings and characteristics promoted where applicable; remaining useful values retained 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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

XRay

Other

  • Filament voltage for 10 mA operation

    2.6 to 3.4 V

    10mA

  • Filament current for 10 mA operation

    1.7 A to 2.4 A

    10mA

  • Filament voltage for 2–10 mA emission

    2 to 3.4 V

    2to10mA

  • Filament current for 2–10 mA emission

    1.5 A to 2.4 A

    2to10mA

  • Normal peak voltage

    63 kV

  • Normal mean rectified current

    10 mA

  • Maximum no-load peak transformer voltage

    75 kV

  • Maximum tube current

    12 mA

  • Maximum oil temperature

    60 °C

  • External X-ray protection equivalent

    1 mm lead

Characteristics

  • Effective focal spot

    1.5 x 1.5 mm

Data set 02

1947 Standard Valves

Published operating points and test conditions from this source.

SECTION 1

XRay

Characteristics

  • Filament voltage minimum

    2 V

    2-10mAEmission

  • Filament current minimum

    1.5 A

    2-10mAEmission

  • Effective focal spot

    1.5 x 1.5 mm

Other

  • Filament voltage maximum

    3.4 V

  • Filament current maximum

    2.4 A

  • Rated peak anode voltage

    63 kV

    Continuous

  • Rated mean rectified current

    10 mA

    Continuous

  • Absolute tube current ceiling

    12 mA

  • Transformer no-load peak-voltage ceiling

    75 kV

    TubeRemoved

  • Maximum transformer short-circuit current

    120 mA

  • Maximum oil temperature

    60 C

  • Required external X-ray shielding

    1 mm Pb equivalent