TA3500K

Shortwave transmitting triode designed for wavelengths down to approximately three metres. Moderate plate dissipation and multi-kilovolt capability provide RF amplification and oscillation extending into the VHF region.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 16 V / 8.5 A

Description

TA3500K is a short-wave transmitting triode for wavelengths down to about 3 metres. 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: 16 V
Nominal heater current: 8.5 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

Plate resistance: 13500 Ω
Transconductance: 0.003 S
Amplification factor: 40
Max plate voltage: 4000 V
Max plate dissipation: 400 W

Short-wave transmitting triode for wavelengths down to about 3 metres

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

Tested anode dissipation
600 W

Characteristic

Maximum transconductance
6000 µS