BTW1502

Extremely high-power Brown Boveri transmitting triode for major RF power systems. Very high transconductance, hundreds of kilowatts of dissipation, and 18 kV plate capability support several-hundred-kilowatt Class C output.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 20 V / 570 A

Description

High-power water-cooled transmitting triode for RF and AF amplification and industrial or broadcast service. The datasheet specifies a directly heated thoriated tungsten cathode and water anode cooling.

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: 20 V
Nominal heater current: 570 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: 0.175 S
Max plate voltage: 18000 V
Max plate dissipation: 220000 W
Max cathode current: 48 A

Promoted ratings and characteristics audited from General Data and operating tables.

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

1969 Brown Boveri

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum plate voltage
18000 V
Maximum plate dissipation
220000 W
Maximum plate current
48 A
Maximum frequency
30 MHz
RF output power, Class C unmodulated
614000 W
ClassC

Characteristics

Transconductance
175000 µS