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Power - Triode ·Triode

4062A

High-mu ceramic-metal pencil triode for high-power pulsed RF service into the microwave region. Published pulse operation can produce roughly 600 W useful output from a compact structure with only about 10 W continuous plate dissipation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SPECIAL4LOWLOSS
Base pins
-
Nominal heater
12 V / 1.85 A

Description

High-mu ceramic-metal pencil triode for high-power pulsed RF service to several GHz.

Socket description

Special 4-contact low-loss base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SPECIAL4LOWLOSS
Base pins
-
Nominal heater voltage
12 V
Nominal heater current
1.85 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
Plate resistance
6250 Ω
Transconductance
0.016 S
Amplification factor
100
Max plate voltage
2000 V
Max plate dissipation
10 W
Max grid dissipation
1.5 W
Max cathode current
123 mA

Published ratings and characteristics promoted from approved datasheet.

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

1946 Standard Telephone and Cables

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Grid-anode capacitance

    13 pF

    Published capacitance

  • Anode-filament capacitance

    5.3 pF

    Published capacitance

  • Grid-filament capacitance

    6 pF

    Published capacitance

Data set 02

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater/filament voltage

    6.3 V

  • Heater/filament current

    300 mA

  • Maximum plate voltage

    2000 V

  • Maximum plate dissipation

    10 W

  • Typical pulsed plate voltage

    1400 V

    PulseRF

  • Useful power output

    600 W

    PulseRF

  • Peak heater-cathode voltage

    60 V

    BothPolarities

Characteristic

  • Amplification factor

    100

  • Transconductance

    16000 uS

  • Plate resistance

    6250 ohm

    DerivedFromPublishedMuAndGm