RD20VL

Coaxial directly heated Tesla transmitting triode for high-frequency power generation and amplification. Approximately 20 kW plate dissipation and 12 kV capability support substantial operation to roughly 100 MHz with specialized cooling.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Coaxial directly heated transmitting triode with 20 kW anode dissipation for high-frequency power generation and amplification up to 100 MHz, using ebullition and forced-air cooling.

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: -
Nominal heater current: -
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

Max plate voltage: 12000 V
Max plate dissipation: 20000 W

Promoted fields populated from published maximum-ratings/characteristic tables where OCR semantics were unambiguous.

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

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater Voltage
9 to 11 V
Published range
Heater Current
- to 180 A
Published range
Maximum Plate Voltage
12000 V
Highest published maximum rating
Maximum Plate Dissipation
20000 W
Maximum Frequency
100 MHz

Data set 02

1966 Tesla Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater voltage
9 to 11 V
Forced air flow
1 m3/min
Cooling