RD50XL

Power transmitting triode intended for RF amplification, oscillation, or related professional service. Manufacturer documentation emphasizes radio-frequency operation, useful power output, and transmitter or industrial applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 13 V / 260 A

Description

The TESLA RD50XL tube is a directly Die TESLA-Rohre RD50XL ist eine direkt heated triode of 50 kW anode dissipation, geheizte Triode mit 50 kW Anodenverlust- intended for use as an RF power amplifier leistung, bestimmt zum Einsatz als Hoch- or as an oscillator in SW, TV, and VSW FM freguenz-Kraftverstárker oder Oszillator broadcast transmitters, as well as in com- in Kurzwellen-, Fernseh- und UKW.-Rund- munication transmitters operating at fre- funksendern mit Freguenzmodulation: so- guencies lower than 100 Me/s. wie fůr Sender des Nachrichtenwesens, die mit niedrigeren Freguenzen als 100 MHz arbeiten.

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: 260 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: 60
Max plate voltage: 15000 V
Max plate dissipation: 50000 W
Max grid dissipation: 2000 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
13 V
Nominal or midpoint of published heater range
Heater current
260 A
Nominal or midpoint of published heater range

Other

Maximum anode dissipation
50000 W
Published tube rating

Capacitance

Interelectrode capacitance Czi/k
200 pF
Published source value
Interelectrode capacitance Cajk
5 pF
Published source value
Interelectrode capacitance Ca/gl
70 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
12 to 14 V
Heater current
260 A
Maximum plate voltage
15000 V
Maximum plate dissipation
50000 W
Maximum control-grid dissipation
2000 W
Maximum frequency
100 MHz

Capacitance

Grid-cathode capacitance
200 pF
Anode-cathode capacitance
5 pF
Anode-grid capacitance
70 pF

Characteristic

Amplification factor
60 to 80
Published range