TBL2300

Directly heated Philips coaxial-terminal UHF transmitting triode for high-frequency power applications. Rated for approximately 300 W plate dissipation and 1.8 kV plate voltage in a construction optimized for UHF operation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 3.4 V / 19 A

Description

TBL2300 is a Philips coaxial-terminal UHF 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: 3.4 V
Nominal heater current: 19 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: 0.01 S
Amplification factor: 32
Max plate voltage: 1800 V
Max plate dissipation: 300 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 current
19 A
DirectlyHeated
Amplification factor
32
Published
Transconductance
10000 µS
Published

Other

Plate voltage
2000 V
UHF
Plate current
150 mA
UHF
Maximum operating range
900 MHz
UHF

Capacitance

Plate capacitance
0.12 pF
Published
Grid capacitance
9 pF
Published
Grid-to-plate capacitance
4 pF
Published

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Anode voltage
2000 V
Anode current
150 mA
Transconductance
10000 µS
Amplification factor
32
Anode capacitance
0.12 pF
Grid capacitance
9 pF
Anode-grid capacitance
4 pF
Maximum anode voltage
1800 V
Maximum anode dissipation
300 W