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Tube Tinker — Electron Tube Database
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Diode (NOT rectifier) ·Diode-Diode

12H3S

Russian twin diode designed for high-frequency oscillation detection and conversion, providing paired rectifying sections for receiver detector and frequency-conversion circuitry.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

The 12X3C double diode is designed for high- TEeKTHDOBaHUsT W NpeobpasoBaHus Kojebauuit frequency oscillation detection and conversion.

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
-
Nominal heater current
-
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

2 physical sections, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

English-primary bilingual extraction; published electrical table values retained in parameters.

Section 2

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Physical diode section added in approved section-structure reconciliation.

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

Diode

Characteristics

  • Source symbol BO

    3 A

    JBofinvie guoanl 12X3C ycTolYHBBL K BO3Ael- The 12X3C double diodes are resistant to am-

  • Service life

    500 h

    lapantupoBasHas nosarosedHocTs 500 uwacos. Service life guarantee: 500 hr.

  • Source symbol U,

    126 V

    U, 126V I, 1075525 mA

  • Source symbol I,

    1075525 mA

    U, 126V I, 1075525 mA

  • Published electrical parameter

    85 mA

    I, 735%85 mA S 1) >0,45 mA/V

  • Published electrical parameter

    >0.45 mA/V

    I, 735%85 mA S 1) >0,45 mA/V

  • Source symbol U,

    10 V

    U, 10V

  • Published electrical parameter

    1 V

    1) Tlpu Uy =1V, u npupamenue Up

  • Source symbol x

    0.1 V

    = x0.1 V.

  • Source symbol Cpxk

    0.42-0.62 pF

    Cpxk 0,42—0,62 pF

  • Source symbol CD1D2

    0.05-0.15 pF

    CD1D2 0,05—0,15 pF

  • Source symbol U,

    145 V

    U, 145V 108V P, 0,1 W

  • Source symbol V

    108 V

    U, 145V 108V P, 0,1 W

  • Source symbol P,

    0.1 W

    U, 145V 108V P, 0,1 W

  • Source symbol U,

    100 V

    U, 100 V Ukh 100 V

  • Source symbol Ukh

    100 V

    U, 100 V Ukh 100 V

  • Source symbol U,

    250 V

    U, 250V A 17 em

  • Source symbol I,

    2 mA

    I, 2mA Téannm—xa 150° C

  • Source symbol I3

    20 mA

    I3 20mA

  • Source symbol CpeaHee

    3 h

    2y CpeaHee 3HaueHHe.

  • Source symbol MIUTUTYAHOE

    3 h

    3) AMIUTUTYAHOE 3HAYEHHE.

  • Published electrical parameter

    8 mA

    S {8max

  • Published electrical parameter

    2266 mA

    2266max

  • Source symbol Z

    32 mA

    Z32 max