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Voltage Radio Detector Converter ·Heptode

6SA7WGT

Ruggedized special-purpose pentagrid converter for oscillator and mixer service. High output resistance and strengthened WGT construction suit more demanding equipment than ordinary consumer receiving converters.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9V
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 300 mA

Description

Rugged heptode converter for frequency-conversion service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
9V
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9V - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1PAP — Plate (Anode)

EIA source designation P; manufacturer verification pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN3H—H — Heater

EIA source designation H; manufacturer verification pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN4G1AG1 — Control Grid

EIA source designation G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN5G1AG1 — Control Grid

EIA source designation G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN6KAK — Cathode

EIA source designation K; manufacturer verification pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN7G1AG1 — Control Grid

EIA source designation G1; manufacturer verification pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN8G1AG1 — Control Grid

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9V

PIN9H—H — Heater

EIA chart transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 9V

Section ratings

1 physical section, each with unique specifications.

Section 1

Heptode

X-ray radiationInterelectrode capacitances
Plate resistance
1000000 Ω
Transconductance
0.00045 S
Max plate voltage
250 V
Max screen voltage
100 V

Promoted only from clearly identified printed ratings/characteristics; additional operating and limiting values 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

195X Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Heptode

Other

  • Plate voltage

    250 V

    Converter

  • Oscillator-grid resistor

    20000 Ω

    Converter

  • Screen voltage

    100 V

    Converter

  • Control-grid voltage

    -2 V

    Converter

  • Plate current

    3.5 mA

    Converter

  • Screen current

    8.3 mA

    Converter

Characteristic

  • Plate resistance minimum

    1 MΩ

    Converter

  • Conversion transconductance

    450 µS

    Converter