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Power - Beam (NOT sweep) ·BeamPower

12E1

Industrial beam tetrode from the Ediswan/Mazda family, intended for demanding electronic power and control applications with substantial plate-dissipation capability.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 1.6 A

Description

12E1 Tetrode from Ediswan/Mazda datasheet; full semantic ratings and characteristics audit.

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
1.6 A
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

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.014 S
Max plate voltage
800 V
Max screen voltage
200 V
Max plate dissipation
35 W
Max screen dissipation
5 W
Max cathode current
300 mA

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Maximum heater-cathode voltage

    350 V

Data set 02

1961 AEI Industrial Valves

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Maximum control-grid voltage

    100 V

  • Maximum control-grid-screen voltage

    400 V

  • Maximum heater-cathode voltage

    300 V

    HeaterNegative

Capacitance

  • Grid-earth capacitance

    23 pF

  • Anode-earth capacitance

    8 pF

  • Anode-grid capacitance

    0.85 pF

Data set 03

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Maximum control-grid voltage

    100 V

  • Maximum control-grid-screen voltage

    400 V

  • Maximum heater-cathode voltage

    300 V

    HeaterNegative

Capacitance

  • Grid-earth capacitance

    23 pF

  • Anode-earth capacitance

    8 pF

  • Anode-grid capacitance

    0.85 pF