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Power - Triode (over 1000V 100W) ·Triode

RD50YA

Directly heated Tesla 50 kW industrial power triode designed particularly as an RF-heating oscillator. With about 20 kV plate capability, it provides enormous continuous oscillator power at frequencies to roughly 10 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
-
Nominal heater
18.5 V / 360 A

Description

The tube TESLA RD50YA (E3) is a directly Die TESLA-Rohre RD50YA (E3) ist eine heated triode of 50 kW anode dissipation, direkt geheizte Triode von 50 kW Anoden- intended for use as an oscillator at fre- verlustleistung, bestimmt zum Einsatz als guencies up to 10 Mc/s in industrial genera- Oszillator bei Freguenzen bis 10 MHz in tors for RF heating, especially in generators Industriegeneratoren fůr Hochfreguenzer- of types the GY21 and GV201. hitzung, insbesondere in Generatoren der Typen GV21 und GV201.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4
Base pins
-
Nominal heater voltage
18.5 V
Nominal heater current
360 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
Plate resistance
5000 Ω
Amplification factor
50
Max plate voltage
20000 V
Max plate dissipation
50000 W
Max grid dissipation
3000 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

    18.5 V

    Nominal or midpoint of published heater range

  • Heater current

    360 A

    Nominal or midpoint of published heater range

Other

  • Maximum anode dissipation

    50000 W

    Published tube rating

Data set 02

1966 Tesla Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater voltage

    17.5 to 19.5 V

  • Heater current

    340 A to 380 A

  • Maximum plate voltage

    20000 V

  • Maximum plate dissipation

    50000 W

  • Maximum control-grid dissipation

    3000 W

  • Maximum frequency

    10 MHz

Characteristic

  • Amplification factor

    50

  • Plate resistance

    5000 ohm