TBL12100

Very-high-power directly heated Philips transmitting triode for RF generation and amplification. Rated for approximately 30 kW plate dissipation and 10 kV plate voltage for demanding transmitter and industrial RF applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 17.5 V / 196 A

Description

TBL12100 is a Philips very-high-power 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: 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: 0.05 S
Amplification factor: 27
Max plate voltage: 10000 V
Max plate dissipation: 30000 W
Max cathode current: 10.5 A

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
17.5 V
DirectlyHeated
Filament current
196 A
DirectlyHeated

Other

Maximum plate voltage
10000 V
Published limit
Maximum plate dissipation
30000 W
Published limit
Maximum cathode/plate current
10.5 A
Published limit
Maximum starting filament current
420 A
FilamentStarting
Maximum grid current
3.5 A
RFService
Maximum frequency
30 MHz
RFService
Plate input power
105 kW
RFService

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Anode voltage
10000 V
Transconductance
50000 µS
Amplification factor
27
Anode capacitance
3.4 pF
Grid capacitance
116 pF
Anode-grid capacitance
86 pF
Maximum anode voltage
15000 V
Maximum anode dissipation
45000 W