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

YD1092

Vapor-cooled low-mu power triode with coaxial grid connection, particularly suited to modulator service with low grid current. Rated for approximately 110 kW plate dissipation and 12.5 kV plate voltage.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
17 V / 156 A

Description

Vapor-cooled triode with coaxial grid lead-through. Due to the low amplification factor this tube is particularly suitable for use in modulators with low grid current. Emission current at UA = UG = 750 V I em 125 A Amplification factor at UA = 4 to 10 kV, I A = 5 A µ 13,5

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
17 V
Nominal heater current
156 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
0.078 S
Amplification factor
13.5
Max plate voltage
12500 V
Max plate dissipation
110000 W
Max grid dissipation
1100 W
Max cathode current
25 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

    13.5

  • Transconductance

    78000 µS

  • Emission current at UA = UG = 750 V

    125 A V

  • Amplification factor at UA = 4

    10 kV, I A = 5 A µ 13,5 kV

  • Transconductance at UA = 4 kV, IA = 5 A

    78 mA/V kV

Other

  • Heater voltage

    17 V V

  • Heater current

    ≈ 156 A A

  • Frequency

    30 MHz MHz

  • Anode voltage (dc)

    12,5 kV kV

  • Grid voltage(dc)

    – 1200 V V

  • Cathode current (dc)

    25 A A

  • Peak cathode current

    100 A A

  • Anode dissipation

    110 kW kW

  • Grid dissipation

    1100 W W

  • Frequency

    ≤ 30 ≤ 30 MHz MHz

  • Output power

    165 110 kW 1) kW

  • Anode voltage (dc)

    10 kV kV

  • Grid voltage (dc)

    – 900 – 730 V V

  • Peak control grid voltage (ac)

    1300 1100 V V

  • Zero signal anode current (dc)

    1,5 1,5 A A

  • Anode current (dc)

    18,8 15,3 A A

  • Grid current (dc)

    1,6 1,3 A A

  • Anode input power

    226 153 kW A

  • Drive power

    2,0 1,3 kW 1) kW

  • Anode dissipation

    43 kW kW

  • Grid dissipation

    600 350 W W

  • Efficiency

    72 %

  • Anode load resistance

    370 370 Ω Ω

  • Transmitter Triode

    2031 V V

  • Frequency

    30 MHz MHz

  • Anode voltage (dc)

    12,5 kV kV

  • Grid voltage (dc)

    – 1500 V V

  • Cathode current (dc)

    25 A A

  • Peak cathode current

    100 A A

  • Anode dissipation

    110 kW kW

  • Grid dissipation

    1100 W W

  • Frequency

    ≤ 30 ≤ 30 MHz MHz

  • Output power

    165 110 kW 1) kW

  • Anode voltage (dc)

    10 kV kV

  • Grid voltage (dc)

    – 1350 – 1200 V V

  • Peak grid voltage (ac)

    1830 1630 V V

  • Anode current (dc)

    13,8 A A

  • Grid current (dc)

    2,0 1,8 A A

  • Anode input power

    204 138 kW A

  • Drive power

    3,3 2,7 kW 1) kW

  • Anode dissipation

    28 kW kW

  • Grid dissipation

    600 500 W W

  • Efficiency

    80 %

  • Anode load resistance

    370 370 Ω Ω

  • Transmitter Triode

    2031 V V

  • Anode voltage (dc)

    12 kV kV

  • Grid voltage (dc)

    – 1200 V V

  • Cathode current (dc)

    25 A A

  • Peak cathode current

    100 A A

  • Anode dissipation

    110 kW kW

  • Grid dissipation

    1100 W W

  • 300

    200 kW kW

  • Output power

    240 0 160 kW kW

  • Anode voltage (dc)

    11 11 11 11 kV kV

  • Grid voltage (dc)

    – 810 – 810 – 830 – 830 V V

  • Peak control grid voltage (ac)

    2120 0 1980 V V

  • between

    2 tubes

  • Anode current (dc)

    2 × 1,5 2 × 18 2×1 2 × 11,7 A A

  • Grid current (dc)

    2 × 0,6 0 2 × 0,25 A A

  • Peak grid current

    2 × 4,3 0 2 × 2,2 A A

  • Anode input power

    2 × 16,5 2 × 198 2 × 11 2 × 129 kW A

  • Drive power

    2 × 600 0 2 × 180 W W

  • Anode dissipation

    2 × 16,5 2 × 78 2 × 11 2 × 49 kW kW

  • Grid dissipation

    2 × 120 0 2 × 40 W W

  • Efficiency η —

    61 — 62 %

  • Effective load resistance (anode to anode) RAA —

    600 — 950 Ω Ω

  • Transmitter Triode

    2031 V V

Capacitance

  • Cathode/grid

    ≈ 175 pF pF

  • Cathode/anode

    ≈ 8,0 pF 1) pF

  • Grid/anode

    ≈ 76 pF pF

  • Transmitter Triode

    2031 V V

Cooling

  • (PA + PG + 0,8 PF )

    114 kW PF

  • Equivalent thermal

    6820 kJ/min (1640 kcal/min)

  • at returning water temperature

    20 °C approx. 2,7 l/min l/min

  • at returning water temperature

    90 °C approx. 3,1 l/min l/min

  • at returning water temperature

    20 °C approx. 4,5 m 3/min

  • at returning water temperature

    90 °C approx. 5,1 m 3/min

  • Transmitter Triode

    2031 V V