6321

Dual-triode vacuum tube documented by National Union; available documentation establishes its basic construction but does not provide enough specific application evidence to justify a narrower functional description.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 85 mA

Description

National Union 6321 dualtriode vacuum tube described in the approved datasheet for its stated amplifier, rectifier, indicator, or specialized electronic service.

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: 85 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 16
Max plate voltage: 150 V
Max plate dissipation: 0.6 W
Max cathode current: 7 mA

Promoted ratings/characteristics read from the approved National Union datasheet.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 16
Max plate voltage: 150 V
Max plate dissipation: 0.6 W
Max cathode current: 7 mA

Second identical physical triode section; added to align rows with SectionCount.

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.