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S11E12

Special-quality rugged beam tetrode designed for parallel operation as a control element in stabilized power equipment, combining high transconductance with approximately 28 W plate dissipation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 1.6 A

Description

Special-quality beam tetrode for parallel operation in stabilized power equipment.

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: 0.0135 S
Max plate voltage: 800 V
Max screen voltage: 300 V
Max plate dissipation: 28 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

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum shock
500 g
ShortDuration
Maximum acceleration
2.5 g
Continuous
Maximum heater-cathode voltage
350 V
HeaterNegative
Maximum heater-cathode voltage
150 V
HeaterPositive