RD5YA

Water-cooled Tesla power triode designed for RF power amplification to approximately 20 MHz. With roughly 10 kV plate capability and 5 kW dissipation, it provides substantial continuous transmitter power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 19 V / 50 A

Description

The TESLA RD5YA tube is a water-cooled Die TESLA-Róohre RD5YA ist eine wasser- triode of 5 kW anode dissipation, suitable gekiůhlte Triode mit 5 kW Anodenverlust- for application as an RF power amplifier at leistung, geeignet als Hochfreguenz-Kraft- freguencies up to 20 Mc/s. verstárker fůr Freguenzen bis zu 20 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: 19 V
Nominal heater current: 50 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: 34
Max plate voltage: 10000 V
Max plate dissipation: 5000 W
Max grid dissipation: 300 W

Published characteristic ranges are preserved in parameters when no single scalar is printed.

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

Characteristics

Heater voltage
19 V
Nominal or midpoint of published heater range
Heater current
50 A
Nominal or midpoint of published heater range

Other

Maximum anode dissipation
5000 W
Published tube rating

Capacitance

Interelectrode capacitance Cz/k
23 pF
Published source value
Interelectrode capacitance Ca/k
1.3 pF
Published source value
Interelectrode capacitance Cajz
27 pF
Published source value

Data set 02

1966 Tesla Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Heater voltage
18 to 20 V
Heater current
44 A to 56 A
Maximum plate voltage
10000 V
Maximum plate dissipation
5000 W
Maximum control-grid dissipation
300 W
Maximum frequency
20 MHz

Capacitance

Grid-cathode capacitance
23 pF
Anode-cathode capacitance
1.3 pF
Anode-grid capacitance
27 pF

Characteristic

Amplification factor
34 to 43
Published range
Plate resistance
6000 to 8500 ohm
Published range