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

YD1140

Directly heated thoriated-tungsten very-high-power RF triode for transmitting and industrial service. Rated for approximately 100 kW plate dissipation and 13 kV plate voltage, with exceptionally high transconductance for demanding RF power applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
17.5 V / 196 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
17.5 V
Nominal heater current
196 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
0.14 S
Amplification factor
25
Max plate voltage
13000 V
Max plate dissipation
100000 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 V¢

    17.5 V

    Filament voltage V¢ = 17.5 V

  • Filament current If

    196 A

    Filament current If = 196 A

  • Anode voltage Vo

    10 kV

    Anode voltage Vo = 3 10 kV

  • Anode current I,

    5 A

    Anode current I, = 50 5 A

  • Amplification factor M

    25

    Amplification factor M = 25 25

  • Mutual conductance S

    60 mA

    Mutual conductance S = 140 60 mA/V

  • At maximum frequency (30 MHz ) and published operating conditions an air flow

    30 MHz

    At maximum frequency (30 MHz ) and published operating conditions an air flow

  • Frequency f up to

    30 MHz

    Frequency f up to 4 15 30 MHz

  • Frequency f

    30 MHz

    Frequency f = 30 30 MHz

  • Anode voltage Va

    10 kV

    Anode voltage Va = 12 10 kV

  • Grid voltage Vg

    -800 V

    Grid voltage Vg = -1000 -800 V

  • Grid driving voltage Vgp

    1200 V

    Grid driving voltage Vgp = 1500 1200 V

  • Anode current I,

    10 A

    Anode current I, = 12 10 A

  • Grid current Ig

    750 mA

    Grid current Ig = 0.75 0.75 A

  • Anode input power Wia

    100 kW

    Anode input power Wia = 144 100 kW

  • Anode dissipation W,

    25 kW

    Anode dissipation W, = 36 25 kW

  • Output power W,

    75 kW

    Output power W, = 108‘ 75 kW

  • Efficiency n

    75

    Efficiency n = 75 75 %

  • Frequency f up to

    30 MHz

    Frequency f up to 30 MHz

  • Anode input power Wia = max

    110 kW

    Anode input power Wia = max 110 kW

  • Anode dissipation W, = max,

    66 kW

    Anode dissipation W, = max, 66 kW

  • Anode voltage Va

    10 kV

    Anode voltage Va = 10 10 kV

  • Grid voltage Vg

    1

    Grid voltage Vg = -1050 -1050 Vv 1)

  • Grid driving voltage Vgp

    1450 V

    Grid driving voltage Vgp = 1550 1450 V

  • Anode current Iy

    7.4 A

    Anode current Iy = 10.5 7.4 A

  • Grid current Ig

    800 mA

    Grid current Ig = 1.1 0.8 A

  • Anode input power Wia

    74 kW

    Anode input power Wia = 105 74 kW

  • Anode dissipation w,

    16

    Anode dissipation w, = 22 ] 16 - kW

  • Output power W,

    58 kW

    Output power W, = 83 58 kW

  • Efficiency n

    7

    Efficiency n = 79 7% %

Other

  • Filament peak current pr max

    420 A

    Filament peak current pr max. 420 A

  • Anode voltage V, = max

    12.5

    Anode voltage V, = max. 15 185 12.5

  • Anode current I, = max

    12.5 A

    Anode current I, = max. 12.5 12.5 12.5 A

  • Anode input power Wi, = max

    150 kW

    Anode input power Wi, = max. 165 165 150 kW

  • Anode dissipation W, = max

    100 kW

    Anode dissipation W, = max. 100 100 100 kW

  • Negative grid voltage —Vg = max

    1200

    Negative grid voltage —Vg = max. 1200 1200 1200

  • Grid current Ig = max

    1.2 A

    Grid current Ig = max. 1.2 1.2 1.2 A

  • Anode current I, = max

    10.5 A

    Anode current I, = max. 10.5 A

  • Negative grid voltage —Vg = max

    1200 V

    Negative grid voltage —Vg = max. 1200 V

  • Grid current Ig = max

    1.3 A

    Grid current Ig = max. 1.3 A