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Voltage - Triode (single high frequency) ·Triode

3T100A1

Directly heated high-frequency power triode for RF amplifier and oscillator service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7.5 V / 4.25 A

Description

Thoriated-tungsten directly heated triode for high-frequency amplification and oscillation, including Class-C RF power 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
8
Max plate voltage
1500 V
Max plate dissipation
50 W

Directly heated 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