31LM4I

Russian cathode-ray tube for visual registration of electrical processes; green display; 6.3 V filament, 12 kV anode.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / -

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: 6.3 V
Nominal heater current: -
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 0

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Envelope: Glass, Side Anode ; Mass, G: 1800 ; Deflection Type: Magnetic ; Beam Focusing: Magnetic ; Color: Green ; Resolution, Lines Or Focused Line Size, Mm: 2000 ; Brightness, Kd/Sq.M: 100nit ; Filament Voltage, V: 6.3 ; Anode Voltage, Kv: 12 ; Afterglow Time/Color: Moderate

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.

No source-specific operating conditions are recorded.