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Power - Triode ·Triode

6S5DI

Soviet pulse triode designed to generate super-high-frequency oscillations under pulsed conditions at wavelengths around 35–40 cm. Its ratings and construction target specialized pulsed UHF oscillator service rather than general power amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 800 mA

Description

The 6C51-U pulse triode is designed for gene- reHepHPOBAHKMS CBEPXBBICOKOUYACTOTHHIX KojebaHuil ration of superhigh frequency oscillation under B UMIYJbCHOM peXHMe B AMANa30He [JIMH BOJH pulse conditions over a wavelength band of 35 to 35—40 cx.

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
800 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
0.01 S
Max plate voltage
1000 V
Max plate dissipation
25 W
Max cathode current
2.5 A

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

    800 mA

    Published heater current.

  • Transconductance

    10000 µS

    Published characteristic; normalized to µS.

  • Service life

    200 h

    Published service-life guarantee.

Other

  • Maximum plate voltage

    1000 V

    Published limiting/specification value.

  • Maximum plate dissipation

    25 W

    Published limiting value.

Data set 02

1970 Russian Tubes Mashpriborintorg

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Oscillation power

    2 kW

    Pulse Wavelength=35-40cm

  • Pulse plate voltage

    3.7 kV

    Pulse

  • Pulse plate current

    2.5 A

    Pulse

  • Maximum frequency

    280 MHz