7633

High-sensitivity cadmium-sulphide photoconductive detector with peak response in the red and infrared region. Designed for end-on illumination, it converts incident radiation into a measurable resistance or conductivity change.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: B3A
Socket code: -
Base pins: 3
Nominal heater: -

Description

High-sensitivity cadmium-sulphide photoconductive cell with peak response in the red/infrared region for end-on illumination.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: B3A
Socket code: -
Base pins: 3
Nominal heater voltage: -
Nominal heater current: -
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

B3A - 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

PhotoconductiveDetector

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Promoted values are taken directly from the supplied datasheet; additional ratings, characteristics and operating points are preserved in TUBE_SECTION_PARAMETER.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

PhotoconductiveDetector

Other

Maximum DC cell voltage
100 V
Maximum RMS cell voltage
70 V
Cell dissipation at 25C
200 mW
Cell dissipation at 60C
200 mW
Cell dissipation at 70C
50 mW
Ambient temperature minimum
-40 degC
Ambient temperature maximum
70 degC

Characteristics

Cell current minimum
3 mA
10VDC;5lumens/ft2;2700K
Cell current average
6 mA
10VDC;5lumens/ft2;2700K
Cell current maximum
14 mA
10VDC;5lumens/ft2;2700K