6S9D

Russian high-frequency triode designed for RF power amplification at wavelengths down to approximately 33 cm.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 575 mA

Description

The 6C9M high-frequency triode is designed IJIsT YCHJIeHMS MOIIHOCTH B [JHalla3oHe BOJH OT for amplification of power over a wave band from 33 cm.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 575 mA
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: 0.0103 S
Amplification factor: 100
Max plate voltage: 300 V
Max plate dissipation: 55 W
Max cathode current: 25 mA

Promoted fields are taken from the published electrical-characteristics and maximum-permissible-ratings tables in the approved bilingual source; repeated identical sections are represented once where applicable.

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 Russian

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater voltage
6.3 V
Published heater condition.
Heater current
575 mA
Published heater current.
Transconductance
10300 µS
Published characteristic; normalized to µS.
Amplification factor
100
Published characteristic.
Service life
600 h
Published service-life guarantee.

Other

Maximum plate voltage
300 V
Published limiting/specification value.
Maximum plate dissipation
55 W
Published limiting value.

Data set 02

1970 Russian Tubes Mashpriborintorg

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Plate voltage - characteristic point
250 V
Plate current - characteristic point
15 mA
Grid-to-plate capacitance
1.65 pF

Other

Maximum grid voltage
100 V