Skip to main content

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

RS2021V

Vapor-cooled Siemens transmitting triode with coaxial grid connection for RF amplifier, oscillator, and modulator service. Rated for approximately 60 kW plate dissipation and 16 kV plate voltage, with operation to about 70 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / 160 A

Description

Vapor-cooled triode with coaxial grid lead-through, suitable for use as RF amplifier, oscillator and Cathode connecting strip (2 for each tube) RöKat221 Q81-X1136 Insulating pipe at water inlet RöKüV31Zub4 Q81-X1634

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
160 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
0.06 S
Amplification factor
58
Max plate voltage
16000 V
Max plate dissipation
60000 W
Max grid dissipation
1300 W
Max cathode current
18 A

Maximum ratings promoted from published rating tables; additional condition-specific values preserved in parameters.

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

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Amplification factor

    58

  • Transconductance

    60000 µS

  • Emission current

    75 A A

  • Amplification factor

    58

  • at UA = 1

    6 kV, IA = 1 A kV

  • Transconductance

    60 mA/V mA/V

Other

  • Heater voltage

    12,6 V V

  • Heater current

    ≈ 160 A A

  • Frequency

    10 30 MHz MHz

  • Anode voltage (dc)

    16 12,5 kV kV

  • Grid voltage (dc)

    – 1000 – 1000 V V

  • Cathode current (dc)

    18 18 A A

  • Peak cathode current

    65 65 A A

  • Anode dissipation

    60 60 kW kW

  • Grid dissipation

    1300 1300 W W

  • Frequency

    ≤ 10 ≤ 10 ≤ 30 ≤ 30 MHz MHz

  • Output power

    110 85 110 85 kW 1) kW

  • Anode voltage (dc)

    15 15 12 12 kV kV

  • Grid voltage (dc)

    – 260 – 260 – 210 – 210 V V

  • Peak grid voltage (ac)

    600 520 650 520 V V

  • Anode current (dc)

    10,1 7,75 12,7 9,85 A A

  • Grid current (dc)

    2,0 1,3 3,0 1,9 A A

  • Anode input power

    151 116,3 153 118 kW A

  • Drive power

    1080 610 1770 880 W 1) W

  • Anode dissipation

    41 31,3 43 33 kW kW

  • Grid dissipation

    560 270 1140 480 W W

  • Efficiency

    73 73 72 72 %

  • Anode load resistance

    920 1235 590 775 Ω Ω

  • Transmitter Triode

    2021 V V

  • Frequency

    10 30 60 MHz MHz

  • Anode voltage (dc)

    16 12,5 8,5 kV kV

  • Grid voltage (dc)

    – 1000 – 1000 – 1000 V V

  • Cathode current (dc)

    18 18 18 A A

  • Peak cathode current

    65 65 65 A A

  • Anode dissipation

    60 60 60 kW kW

  • Grid dissipation

    1300 1300 1100 W W

  • Frequency

    ≤ 10 ≤ 30 ≤ 60 MHz MHz

  • Output power

    85 + 3,1 2) 85 + 3,9 2) 57 + 3,5 2) kW 1) kW

  • Anode voltage (dc)

    15 12 8,0 kV kV

  • Grid voltage (dc)

    – 260 – 210 – 130 V V

  • Peak grid voltage (ac)

    520 520 460 3) V V

  • Anode current (dc)

    7,75 9,85 10 A A

  • Grid current (dc)

    1,3 1,8 2,3 A A

  • Anode input power

    116,3 118 80 kW A

  • Drive power

    0,61+3,1 2) 0,88+3,9 2) 0,93+3,5 2) kW 1) kW

  • Anode dissipation

    31,3 33 23 kW kW

  • Grid dissipation

    270 480 630 W W

  • Efficiency

    73 72 71 %

  • Anode load resistance

    1280 815 490 Ω Ω

  • Transmitter Triode

    2021 V V

  • Frequency

    10 30 MHz MHz

  • Anode voltage (dc)

    16 12,5 kV kV

  • Grid voltage (dc)

    – 1000 – 1000 V V

  • Cathode current (dc)

    18 18 A A

  • Peak cathode current

    65 65 A A

  • Anode dissipation

    60 60 kW kW

  • Grid dissipation

    1300 1300 W W

  • Frequency

    ≤ 10 ≤ 30 ≤ 30 ≤ 30 MHz MHz

  • Output power

    120 90 72 55 kW 1) kW

  • Anode voltage (dc)

    15 12 10 8,0 kV kV

  • Grid voltage (dc)

    – 600 – 550 – 500 – 450 V V

  • Peak grid voltage (ac)

    1000 940 875 810 V V

  • Anode current (dc)

    9,75 9,25 9,0 8,75 A A

  • Grid current (dc)

    2,2 2,2 2,1 1,85 A A

  • Anode input power

    146 111 90 70 kW A

  • Drive power

    2,1 1,9 1,7 1,55 kW 1) kW

  • Anode dissipation

    26 21 18 15 kW kW

  • Grid dissipation

    780 690 650 605 W W

  • Efficiency

    82 81 80 78,5 %

  • Anode load resistance

    850 710 600 485 Ω Ω

  • Transmitter Triode

    2021 V V

  • Frequency

    10 30 MHz MHz

  • Anode voltage (dc)

    16 12,5 kV kV

  • Grid voltage (dc)

    – 1000 – 1000 V V

  • Cathode current (dc)

    18 18 A A

  • Peak cathode current

    65 65 A A

  • Anode dissipation

    60 60 kW kW

  • Grid dissipation

    1300 1300 W W

  • Frequency

    ≤ 10 ≤ 30 ≤ 30 ≤ 30 MHz MHz

  • Output power

    120+8,5 2) 90+7,7 2) 72+6,9 2) 55+6,1 2) kW 1) kW

  • Anode voltage (dc)

    12 10 8,0 kV kV

  • Grid voltage (dc)

    – 600 – 550 – 500 – 450 V V

  • Peak grid voltage (ac)

    1000 940 875 810 V V

  • Anode current (dc)

    9,75 9,25 9,0 8,75 A A

  • Grid current (dc)

    2,2 2,2 2,1 1,85 A A

  • Anode input power

    146 111 90 70 kW A

  • Drive power

    2,1+8,5 2) 1,9+7,7 2) 1,7+6,9 2) 1,55+6,1 2) kW 1) kW

  • Anode dissipation

    21 18 15 kW kW

  • Grid dissipation

    780 690 650 605 W W

  • Efficiency

    81 80 78,5 %

  • Anode load resistance

    910 770 656 540 Ω Ω

  • Transmitter Triode

    2021 V V

  • Frequency

    30 MHz MHz

  • Anode voltage (dc)

    11,5 kV kV

  • Grid voltage (dc)

    – 1000 V V

  • Cathode current (dc)

    12 A A

Capacitance

  • Cathode/grid

    ≈ 120 pF pF

  • Cathode/anode

    ≈ 1,4 pF 1) pF

  • Grid/anode

    ≈ 50 pF pF

  • Transmitter Triode

    2021 V V