4CX350A

Compact ceramic power tetrode intended for RF power amplification in transmitting equipment, providing substantial output from a comparatively small forced-air-cooled envelope.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6 V / -

Description

The Eimac 8321 is one of the 8321/4CX350A and 8322/4CX350F rugged radial-beam tetrodes intended for Class-AB audio or RF amplifier 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 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 1

Beam Power

X-ray radiationInterelectrode capacitances

Transconductance: 0.022 S
Amplification factor: 13
Max plate voltage: 2500 V
Max screen voltage: 400 V
Max plate dissipation: 350 W
Max screen dissipation: 8 W
Max cathode current: 300 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.

No source-specific operating conditions are recorded.