PF403KC

Rugged 40 mm three-stage fibre-optic image intensifier with S20 photocathode, P20 phosphor, internal power supply, and automatic brightness control.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

40 mm three-stage fiberoptic image intensifier with S-20 photocathode, P-20 phosphor, internal power supply, automatic brightness control, and ruggedized construction.

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: -
Nominal heater current: 30 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

ImageConverterIntensifier

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Specialized microwave/image-intensifier device. Published beam, cathode, anode, helix, collector, RF, gain/noise, and optical ratings are preserved in TUBE_SECTION_PARAMETER rather than forced into unrelated promoted plate/screen fields.

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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

ImageConverterIntensifier

Other

DC Input Voltage Maximum
7 V
DC Input Current Typical
30 mA
At 6.75 V input
DC Input Current Maximum
50 mA
At 6.75 V input
Operating Temperature Continuous Maximum
35 C
Photocathode Illuminance Average Maximum
0.005 lux
Useful Cathode Diameter Minimum
38 mm
Photocathode Luminous Sensitivity Minimum
175 uA/lm
2854K source
Photocathode Radiant Sensitivity Minimum
12 mA/W
800nm
Photocathode Radiant Sensitivity Minimum
6 mA/W
850nm
Center Resolution Minimum
28 lp/mm
Edge Resolution Minimum
25 lp/mm
11mm radius
Paraxial Magnification Typical
0.8 ratio
Distortion Typical
18 percent
16mm radius
Luminance Gain Minimum
35000 ratio
Equivalent Background Illumination Maximum
2e-7 lux
Screen Luminance Maximum
500 cd/m2
Screen Luminance Ratio Maximum
4 ratio
32mm diameter

Characteristic

Operating Temperature Range
-54 to 52 C
Non-operating Temperature Range
-54 to 68 C