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Power - Tetrode (NOT beam) ·Tetrode

6252USN

U.S. Navy designation of the 6252 twin high-frequency tetrode, intended for RF amplifier, frequency-multiplier, and modulator service in military communications equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12.6 V / 650 mA

Description

U.S. Navy designation of the 6252 twin high-frequency tetrode for amplifier, multiplier, and modulator 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
12.6 V
Nominal heater current
650 mA
Parallel heater voltage
6.3 V
Parallel heater current
1.3 A
Series capable
Yes

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

Tetrode

X-ray radiationInterelectrode capacitances
Amplification factor
8.5
Max plate dissipation
25 W

Promoted only where the locked schema has a direct semantic match; remaining transmitting, premium-quality, audio, pulse, capacitance, and thyratron data are retained in TUBE_SECTION_PARAMETER.

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 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Tetrode

Other

  • Plate voltage

    600 V

    RFPowerAmplifier;CCS;EachSection

  • Plate current

    100 mA

    RFPowerAmplifier;CCS;EachSection

  • Power output

    42 W

    RFPowerAmplifier;CCS

  • Control-grid voltage

    -60 V

    RFPowerAmplifier;CCS

  • Grid current

    1.4 mA

    RFPowerAmplifier;CCS

  • Screen voltage

    250 V

    RFPowerAmplifier;CCS

  • Plate voltage

    750 V

    RFPowerAmplifier;ICAS;EachSection

  • Plate current

    150 mA

    RFPowerAmplifier;ICAS;EachSection

  • Power output

    79 W

    RFPowerAmplifier;ICAS

  • Grid current

    2 mA

    RFPowerAmplifier;ICAS

  • Maximum frequency at full input

    300 MHz

    RFPowerAmplifier

Capacitance

  • Input capacitance

    4 pF

    EachSection

  • Output capacitance

    1.3 pF

    EachSection