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3T100A1G

Directly heated transmitting triode for RF amplification and oscillator service. Published Class C operation provides about 200 W RF output, with full ratings to approximately 150 MHz and reduced ratings to 250 MHz.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 7.5 V / 4.25 A

Description

Directly heated transmitting triode for RF amplification and oscillator service.

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: 7.5 V
Nominal heater current: 4.25 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: 0.004 S
Amplification factor: 18
Max plate voltage: 1500 V
Max plate dissipation: 60 W

Directly heated graphite-anode thoriated-tungsten HF power triode.

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

MaximumGridVoltage
-500 V
ClassC
Maximum Anode Current
150 mA
ClassC
MaximumGridCurrent
40 mA
ClassC
MaximumAnodeInputPower
200 W
ClassC
MaximumFrequencyFullRating
150 MHz

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

RFOutputPower
200 W
ClassC;Plate 1500 V

Characteristic

Maximum Frequency
250 MHz
50% derating point