TA4800

Transmitting power triode for RF amplifier and oscillator service. Approximately 500 W plate dissipation, multi-kilovolt operation, and low interelectrode capacitances support stable medium-power high-frequency operation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 23 V / 14.7 A

Description

TA4800 is a transmitting triode for rf amplifier and oscillator service. The supplied Philips datasheet was read for filament data, limiting ratings, characteristic constants, operating classes, cooling requirements, and interelectrode capacitances where published.

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: 23 V
Nominal heater current: 14.7 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

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.0045 S
Amplification factor: 41
Max plate voltage: 4000 V
Max plate dissipation: 500 W

Transmitting triode for RF amplifier and oscillator service

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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Grid dissipation maximum
60 W

Characteristic

Anode-filament capacitance
0.9 pF
Grid-filament capacitance
11 pF
Anode-grid capacitance
8 pF