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

TB32000

Directly heated high-power Philips transmitting triode for RF and AF applications. Rated for approximately 1.1 kW plate dissipation and 3.5 kV plate voltage, providing substantially greater power capability than smaller TB-series types.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12 V / 17 A

Description

TB32000 is a Philips high-power RF/AF transmitting triode. The supplied datasheet provides direct-filament data, RF/AF ratings, capacitances and high-power operating conditions.

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
12 V
Nominal heater current
17 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
Max plate voltage
3500 V
Max plate dissipation
1100 W

Published filament, capacitance, typical characteristics, limiting values and RF/AF operating tables reviewed.

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

    12 V

    DirectlyHeated

  • Filament current

    17 A

    DirectlyHeated

Other

  • Maximum plate voltage

    3500 V

    Published limit

  • Maximum plate dissipation

    1100 W

    Published limit

Capacitance

  • Plate capacitance

    10.5 pF

    Published

  • Grid capacitance

    26 pF

    Published

  • Grid-to-plate capacitance

    13 pF

    Published

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Capacitances Ca

    10.5 a

    Capacitances Ca = 10,5 pF

  • Capacités Cg

    26 a

    Capacités Cg = 26 pF