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TBH78000

Water-cooled industrial RF power triode with thoriated-tungsten filament for amplifier, oscillator, or transmitter service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 33 A

Description

Industrial RF power triode; directly heated thoriated-tungsten filament. Water cooled. Published sheet includes filament, capacitance, characteristic, cooling, and application/rating data.

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: 12.6 V
Nominal heater current: 33 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: 0.015 S
Amplification factor: 32
Max plate voltage: 13000 V

Published RF triode characteristics and ratings; additional operating data retained in parameter rows.

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

Anode voltage
6000 V
Anode current
1 A
Transconductance
15000 µS
Amplification factor
32
Anode capacitance
0.3 pF
Grid capacitance
16 pF
Anode-grid capacitance
11 pF
Maximum anode voltage
13000 V