F6697

Forced-air-cooled counterpart to the F6696 high-power transmitting triode. Approximately 35 kW plate dissipation and 16 kV capability provide major professional RF power without a water-cooled anode.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 13 V / 205 A

Description

Three-electrode high-power tube with rugged coaxial stem structure for RF amplifiers, oscillators and Class B modulators; F-6697 uses a 35 kW forced-air-cooled anode-radiator assembly.

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: 13 V
Nominal heater current: 205 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

Amplification factor: 20
Max plate voltage: 16000 V
Max plate dissipation: 35000 W

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

1962 ITT Industrial and Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Cooling method
forced air

Capacitance

Grid-plate capacitance
55 pF
Grid-filament capacitance
76 pF
Plate-filament capacitance
2.7 pF