3CX15000H3

Air-cooled ceramic-metal industrial power triode intended for RF heating and other high-power RF amplifier or modulator service. It provides 15 kW plate dissipation and high-voltage operation for demanding continuous-duty installations.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 162 A

Description

Air-cooled ceramic-metal industrial RF-heating power triode.

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: 6.3 V
Nominal heater current: 162 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

Amplification factor: 20
Max plate voltage: 12000 V
Max plate dissipation: 15000 W
Max grid dissipation: 500 W
Max cathode current: 6 A

Maximum ratings promoted from the printed service-rating tables; typical operating values are preserved as 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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

Plate-Filament - - - - 1.3 1.6 ppf
1.6 pF

Other

Maximum plate voltage
12000 V
Maximum plate/cathode current
6 A
Maximum plate dissipation
15000 W
Maximum grid dissipation
500 W

Data set 02

199X Svetlana

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Current @
7.5 V
or modulator service. The ceramic is glazed to
Input
55 pF
or modulator service. The ceramic is glazed to
Output
1.5 pF
or modulator service. The ceramic is glazed to
Feedback
34 pF
or modulator service. The ceramic is glazed to
Maximum frequency for full ratings (CW)
90 MHz
or modulator service. The ceramic is glazed to

Other

DC plate voltage
12000 V
Maximum Ratings
DC plate current
6 A
Maximum Ratings
Plate dissipation
15000 W
Maximum Ratings
Grid dissipation
500 W
Maximum Ratings
DC grid voltage
-1000 V
Maximum Ratings
DC grid current
-1 A
Maximum Ratings
Plate input power
60000 W
Maximum Ratings
(Frequencies to
30 MHz
Typical Operation (under load)
DC plate voltage 7000
10000 V
Typical Operation (under load)
DC plate current 6.0
5 A
Typical Operation (under load)
DC grid voltage -600
-800 V
Typical Operation (under load)
DC grid current 660
542 mA
Typical Operation (under load)
Peak RF grid voltage 440
400 V
Typical Operation (under load)
Driving Power 660
650 W
Typical Operation (under load)
Grid dissipation 78
46 W
Typical Operation (under load)
Plate input power 42,000
50000 W
Typical Operation (under load)
Plate dissipation 12,000
8800 W
Typical Operation (under load)
Plate output power 30,000
41200 W
Typical Operation (under load)
Approximate load impedance 600
1025 Ohms
Typical Operation (under load)
exceed
600 mA
Typical Operation (under load)
the need for continuous grid current temperatures below
225 ˚C
Typical Operation (under load)
monitoring. air temperature of
50 ˚C
Typical Operation (under load)
simultaneously. Plate current overload
30 MHz
Typical Operation (under load)