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Power - Triode ·Triode

YD1012

Directly heated thoriated-tungsten very-high-power RF triode for transmitting, industrial, and Class B applications. Its exceptional approximately 180 kW plate-dissipation capability and high transconductance suit major high-power RF installations.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
18 V / 280 A

Description

Directly heated thoriated-tungsten R.F. power triode. The Philips sheet publishes filament data, interelectrode capacitances, static characteristics, limiting ratings, and operating conditions for R.F. and/or Class B service.

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
18 V
Nominal heater current
280 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
0.13 S
Amplification factor
55
Max plate dissipation
180000 W

Published electrical data additionally captured in parameter rows.

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

Characteristic

  • Filament voltage A% f

    18

    Filament voltage A% f 18

  • Filament current I

    280

    Filament current I 280

  • Amplification factor

    55

    Amplification factor 55

  • Mutual conductance

    130 mA

    Mutual conductance 130 mA/V

  • Cooling data for anode dissipation W,

    180 kW

    Cooling data for anode dissipation W, = 180 kW

  • Frequency ) f upto

    30 MHz

    Frequency ) f upto 10 upto 30 MHz

  • Negative grid voltage —Vg = m’ax

    1200 V

    Negative grid voltage —Vg = m’ax. 1200 1200 V

  • 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

    -720 V

    Grid voltage Vg = -520 -800 -480 -720 V

  • Anode current I,

    24.7 A

    Anode current I, = 29.3 24.7 29.3 24.7 A

  • Grid current Ig

    5.5 A

    Grid current Ig = 5.4 5.2 5.9 5.5 A

  • Peak driving voltage Vgp

    1290 V

    Peak driving voltage Vgp = 1090 1370 1050 1290 V

  • Anode input power Wi,

    296 kW

    Anode input power Wi, = 440 371 353 296 kW

  • Anode dissipation W,

    51 kW

    Anode dissipation W, = 80 61 68 51 kW

  • Output power W,

    245 kW

    Output power W, = 360 310 285 245 kW

  • Efficiency n

    82.6

    Efficiency n = 81.8 83.5 80.8 82.6 %

  • Frequency f upto

    30 MHz

    Frequency f upto 30 MHz

  • Frequency f

    30 MHz

    Frequency f = 30 30 30 MHz

  • Anode voltage Va

    8 kv

    Anode voltage Va = 11 10 8 kv

  • Grid voltage Vg = =170

    -100 V

    Grid voltage Vg = =170 -140 -100 V

  • Anode current I,

    18 A

    Anode current I, = 19 17.3 18 A

  • Grid current Ig

    7.6 A

    Grid current Ig = 7.4 6.9 7.6 A

  • Peak driving voltage Vgp

    855 V

    Peak driving voltage Vgp = 1000 930 855 V

  • Anode input power Wi a

    144 kW

    Anode input power Wi a = 209 173 144 kW

  • Anode dissipation Wi,

    34 kW

    Anode dissipation Wi, = 44 38 34 kW

  • Output power W,

    110 kW

    Output power W, = 165 135 110 kW

  • Efficiency n

    76.5

    Efficiency n = 79 78 76.5 %

  • Frequency

    30 MHz

    Frequency 30 30 30 MHz

  • Anode voltage

    6 kV

    Anode voltage 10 6 kV

Other

  • Anode voltage Ve = max

    12 kv

    Anode voltage Ve = max. 15 12 kv

  • Anode dissipation W, = max

    180 kw

    Anode dissipation W, = max. 180 180 kw

  • Grid dissipation Wg = max

    4 kW

    Grid dissipation Wg = max. 4 4 kW

  • Anode current

    33 A

    Anode current 1 = max. 33 33 A

  • Grid current Ig = max. '8

    8 A

    Grid current Ig = max. '8 8 A

  • Anode dissipation W, max

    120 kW

    Anode dissipation W, max. 120 kW

  • Negative grid voltage —Vg max

    1000 V

    Negative grid voltage —Vg max. 1000 V

  • Grid dissipation Wg max

    4 kW

    Grid dissipation Wg max. 4 kW

  • Anode current I, max

    22 A

    Anode current I, max. 22 A

  • Grid current Ig max

    8 A

    Grid current Ig max. 8 A