TAW1235G

Water-cooled directly heated Philips transmitting triode for high-power amplifier and oscillator service. Approximately 30 kW plate dissipation and 15 kV capability provide substantially greater continuous power than its air-cooled companion.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 28.3 V / 46.5 A

Description

Water-cooled TAW12/35G companion designation printed on the TAL12/35 sheet.

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: 28.3 V
Nominal heater current: 46.5 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: 12
Max plate voltage: 15000 V
Max plate dissipation: 30000 W
Max cathode current: 5 A

Water-cooled TAW12/35G companion designation printed on the TAL12/35 sheet.

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

1963 Philips Electron Tubes Handbook V4

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Filament voltage
28.3 V
DirectlyHeated
Filament current
46.5 A
DirectlyHeated

Other

Maximum plate voltage
15000 V
Published limit
Maximum plate dissipation
30000 W
Published limit
Maximum cathode/plate current
5 A
Published limit
Maximum filament peak current per phase
100 A
FilamentStarting
Plate voltage
15000 V
RFService
Grid bias
-900 V
RFService
Plate current
4.2 A
RFService
Grid current
420 mA
RFService
Plate input power
63 kW
RFService
Plate dissipation
14.5 kW
RFService
Power output
48.5 kW
RFService

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

2) At temperatures ti; between 20 and 50% the required
2 A
2) At temperatures ti; between 20 and 50% the required
the anode- and grid seals at frequencies above 10 M¢/s
10 a
the anode- and grid seals at frequencies above 10 M¢/s
Etrier du filament (pour alimentation 40606
40606 a
Etrier du filament (pour alimentation 40606
1) Grid bias partially obtained by the grid resistor
1 a
1) Grid bias partially obtained by the grid resistor