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Power - Triode ·Triode

YD1342

Very-high-power metal-ceramic triode with integral water cooler for industrial Class C RF oscillator service to approximately 30 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 14 V / 555 A

Description

Very-high-power metal-ceramic triode with integral water cooler for industrial RF class-C oscillator service up to 30 MHz.

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: 14 V
Nominal heater current: 555 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: 0.23 S
Amplification factor: 35
Max plate voltage: 18000 V
Max plate dissipation: 240000 W
Max grid dissipation: 6000 W
Max cathode current: 55 A

Water-cooled industrial RF power triode

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

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Oscillator output power (Wg — W.fgedb! Wosc
530 kW
Oscillator
Frequency for full ratings f. max
30 MHz
Oscillator
Frequency f 30 30
30 MHz
ClassC;Oscillator
Oscillator output power (Wg — Wegedp) Wosc 355 440
530 kW
ClassC;Oscillator
Anode voltage Va 12 14
16 kV
Oscillator
Anode current Ia 39,1 1
435 A
Oscillator
Anode input power Wia 470 574
696 kW
Oscillator
Anode dissipation W, 106 125
156 kW
Oscillator
Anode output power Wo 364 449
540 kW
Grid current, on load Ig 8,4 8,2
7.7 A
Oscillator
Grid voltage, negative Vg 550 650
750 V
Oscillator
Grid dissipation Wy 38 3.8
3.8 kW
Grid resistor dissipation WRg 4,6 53
5.8 kW
Frequency for full ratings upto
30 MHz
Anode voltage max
18 kV
Anode input power max
750 kW
Anode dissipation max
240 kW
Grid voltage max
2.5 kV
Grid dissipation max
6 kW
Grid circuit resistance max
10 kQ
Filament current If
555 A
Peak filament starting current lfp max
3500 A
Absolute max. water inlet temperature T; max
50 °C
Absolute max. water pressure P max
600 kPa
Filament connector with cable type
40695 A
Filament/cathode connector with cable type
40696 A

Capacitance

Anode to filament Caf
4.5 pF
Grid to filament Cgf
250 pF
Anode to grid
70 pF

Characteristic

Measured at Vo [1]
16 kV
Measured at Vo [2]
18 A
Transconductance
230 mA
f<
4 MHz
f>
4 MHz
*
100 kPa
V)
50 A
\ o
40 A
600 /
30 A
—_
5 A
A ' [1]
1 A
A ' [2]
200 A
~J —
175 A
o
150 A
—600
0 mA