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VX32B

Subminiature low-mu triode for DC amplifiers and measuring instruments where low current and heater power are important.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 1.25 V / 20 mA

Description

Subminiature low-mu triode for DC amplifiers and measuring instruments where low current and low heater power are important. The same source also identifies this device as VX32B.

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: 1.25 V
Nominal heater current: 20 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

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 1.5
Max cathode current: 0.1 mA

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

1950 Victoreen

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Filament Voltage
1.12 to 1.5 V
Filament Current
20 mA
Nominal
Amplification Factor
1.5

Other

Total Cathode Current
100 uA
Plate Current
25 uA
Typical

Capacitance

CapacitancePlateGrid
3 pF