YD1002

Vapor-cooled high-power transmitting triode with coaxial grid connection for RF amplifier and oscillator service. Rated for approximately 60 kW plate dissipation and 16 kV plate voltage for major professional transmitter stages.

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

Capacitance

Cathode/grid
≈ 120 pF pF
Cathode/anode
≈ 1,4 pF 1) pF
Grid/anode
≈ 50 pF pF
Transmitter Triode
2021 V V

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Filament voltage Vi
12.6 V
Filament voltage Vi = 12.6 V
Filament current
160 A
Filament current = 160 A
Anode voltage Vo
3 kV
Anode voltage Vo = 3 kV
Anode current
1 A
Anode current = 1 A
Amplification factor
58
Amplification factor = 58
Mutual conductance
60 mA
Mutual conductance = 60 mA/V
Cooling data for anode dissipation W,
60 kW
Cooling data for anode dissipation W, = 60 kW
Frequency ) f ) upto
30 MHz
Frequency ) f ) upto 10 upto 30 MHz
Frequency f
30 MHz
Frequency f = 10 30 30 30 MHz
Anode voltage Vg
8 kV
Anode voltage Vg = 15 12 10 8 kV
Grid voltage Vg
-450 V
Grid voltage Vg = -600 -550 =500 -450 V
Anode current I,
8.75 A
Anode current I, = 9.75 9.25 9.0 8.75 A
Grid current Ig
1.8 A
Grid current Ig = 2.2 2.2 2.1 1.8 A
Peak grid driving voltage Vgp
810 V
Peak grid driving voltage Vgp = 1000 940 875 810 V
Anode input power Wi,
70 kW
Anode input power Wi, = 146 111 90 70 kW
Anode dissipation Wy,
15 kW
Anode dissipation Wy, = 26 21 18 15 kW
Output power Wo
55 kW
Output power Wo = 120 90 72 55 kW
Efficiency n
78.5
Efficiency n = 82 81 80 78.5 %
Frequency f
30 MHz
Frequency f = 10 10 30 30 MHz
Anode voltage Va
12 kV
Anode voltage Va = 15 15 12 12 kV
Grid voltage Vg
-210 V
Grid voltage Vg = -260 -260 -210 -210 V
Anode current Ia
9.85 A
Anode current Ia = 10.1 7.75 12.7 9.85 A
Grid current Ig
1.9 A
Grid current Ig = 2.0 1.3 3.0 1.9 A
Peak grid driving voltage Vgp
5200 V
Peak grid driving voltage Vgp = 600 520 650 5200 V
Anode input power wia
118 kW
Anode input power wia = 151 116.3 153 118 kW
Anode dissipation W,
33 kW
Anode dissipation W, = 41 31.3 43 33 kW
Output power Wo
85 kW
Output power Wo = 110 85 110 85 kW
Efficiency n
72
Efficiency n = 73 73 72 72 %

Other

Anode dissipation Wy = max
60 kW
Anode dissipation Wy = max. 60 max. 60 kW
Negative grid voltage —Vg = max
1000 V
Negative grid voltage —Vg = max. 1000 max. 1000 V
Grid dissipation Wg = max
1.3 kW
Grid dissipation Wg = max. 1.3 max. 1.3 kW
Anode current Ia = max
13 A
Anode current Ia = max. 13 max. 13 A
Grid current Ig = max
3.3 A
Grid current Ig = max. 3.3 max. 3.3 A
Anode voltage 'V, =max
12.5 kV
Anode voltage 'V, =max. 16 max. 12.5 kV
Anode dissipation W, = max
60 kW
Anode dissipation W, = max. 60 max. 60 kW
Negative grid voltage -Vg = max
1000 V
Negative grid voltage -Vg = max. 1000 max. 1000 V
Anode current I = max,
13 A
Anode current I = max, 13 "max. 13 A
Anode voltage V, = max
5 kV
Anode voltage V, = max. 1l.5 kV
Negative grid voltage —Vg = max
1000 V
Negative grid voltage —Vg = max. 1000 V
Grid dissipation ) Wg = max
1.3 kW
Grid dissipation ) Wg = max. 1.3 kW