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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

7P12S

Russian output pentode for general power-amplifier service with approximately 8 W plate dissipation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
7.35 V / 850 mA

Description

Output pentode /T12C Brixonnoit nentron 7I112C npenmsasnauen agas The 71112C output pentode is designed for am- Output pentode

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
7.35 V
Nominal heater current
850 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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.00285 S
Max plate voltage
200 V
Max screen voltage
150 V
Max plate dissipation
8 W
Max screen dissipation
1.5 W

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

Pentode

Characteristics

  • Brixonnoit nentron

    71112

    Brixonnoit nentron 7I112C npenmsasnauen agas The 71112C output pentode is designed for am-

  • YCHJIEHHS MOIXHOCTH HM

    4

    YCHJIEHHS MOIXHOCTH HM3KOH 4YacTOThi B YCTpPOH- plification of low-frequency power in long-dist-

  • Brixonubie nentonst

    7

    Brixonubie nentonst 7I112C BmeImyckaloTess B The 7IT112C output pentodes are enclosed in

  • Buixogunie mentoan

    71112

    Buixogunie mentoan 71112C ycroiiuuBm ¥ BO3-

  • The

    71112

    The 71112C output pentodes are resistant to

  • JeficTBHIO OKpyKamlieli tTeMnepatypnl or —

    1

    JeficTBHIO OKpyKamlieli tTeMnepatypnl or —60 1o

  • temneparype

    20

    temneparype +20°C.

  • T'apanTupoBaHHas xnoJroseudocts

    1000

    T'apanTupoBaHHas xnoJroseudocts 1000 uacos. Service life guarantee: 1000 hr.

  • Published electrical value

    4

    1 ) IIIPH U, =180V, Uy =106V, R, =4 kQ.

  • Hpu Py=

    22

    Hpu Py=22W.

  • Cox

    4 pF

    Cox 77%18 pF C gla <04 pF

  • NPEAEJIbBHO AOMNYCTUMBIE

    3

    NPEAEJIbBHO AOMNYCTUMBIE 3KCIJIYATALHOHHBIE OAHHBIE

  • Published electrical value

    1.5 W

    U, 200V Pgo 1.5 W

  • Published electrical value

    2

    7| I l 2C BbixonHON MeHTOn

  • Published electrical value

    3

    @40max | 3

  • Published electrical value

    1

    2P e G i e gl iylel iR S 1 e o el MR

  • Published electrical value

    4 V

    0 0 100 150 200 UgV Upr. V -2 -16 4 g

Other

  • Hau

    50

    Hau6oabvmmii Bec 50 e. Maximum weight: 50 gr.

Data set 02

1970 Russian Tubes Mashpriborintorg

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Plate voltage - characteristic point

    135 V

  • Screen voltage - characteristic point

    135 V

  • Plate current - characteristic point

    31 mA

  • Screen current - characteristic point

    7 mA