Alternatives & variations Download PDF datasheet

A41N4

Mullard oscillographic cathode-ray tube with a green long-persistence screen. Its compact display format is intended for oscilloscope and measurement applications rather than television picture service.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 4 V / 1 A

Description

The Mullard A41N4 is a 4-inch oscillographic CRT with green long-persistence screen

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: 4 V
Nominal heater current: 1 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

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Cathode-ray electron-gun/display section.

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

Cathode Ray

Characteristics

Heater Voltage
4 V
Heater Current
1 A
Focusing Method
Electrostatic text
Deflection Method
Double electrostatic text
Fluorescence
Green text
Persistence
Long text
Grid Cutoff Range
0 to -40 V
Maximum Writing Speed
0.5 km/s
Grid Capacitance
7.5 pF

Other

Anode 2 Voltage
1000 V
Focus Voltage
400 V
Approximate
Anode 2 Voltage Maximum
1200 V
Anode 1 Voltage Maximum
500 V