TY815H

Helical-water-cooled high-power RF triode for industrial Class-C oscillator service, producing roughly 14–18 kW at 30 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 130 A

Description

Integral helical water cooled high-power RF triode for industrial class-C oscillator service, rated around 14–18 kW output at 30 MHz.

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: 130 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: 0.023 S
Amplification factor: 17.5
Max plate voltage: 8000 V
Max plate dissipation: 15000 W
Max grid dissipation: 800 W
Max cathode current: 4 A

Promoted values are mapped from the supplied datasheet; additional published ratings, characteristics, capacitances and operating points are retained in TUBE_SECTION_PARAMETER.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum frequency
30 MHz
FullRatings
Plate voltage
7000 V
ClassC;Oscillator;f=30MHz
Plate current
3.5 A
ClassC;Oscillator;f=30MHz
Grid current
950 mA
ClassC;Oscillator;f=30MHz
Plate dissipation
6.8 kW
ClassC;Oscillator;f=30MHz
Efficiency
72 %
ClassC;Oscillator;f=30MHz
RF output power
17.17 kW
ClassC;Oscillator;f=30MHz

Capacitance

Grid-to-plate capacitance
33.5 pF
Grid-to-filament capacitance
44.5 pF
Plate-to-filament capacitance
1.2 pF

Characteristics

Transconductance
23000 uS
Va=6kV;Ia=2.5A
Transconductance
28000 uS
Va=500V;Ia=14A
Amplification factor
17.5 ratio
Va=6kV;Ia=2.5A