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EC

Triode for general electronic service as described in the manufacturer datasheet; available source material does not establish a narrower function confidently.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 18 V / 700 mA

Description

Triode vacuum tube for the applications described in the supplied manufacturer datasheet.

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: 18 V
Nominal heater current: 700 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

Plate resistance: 680 Ω
Transconductance: 0.01 S
Amplification factor: 6.9
Max plate voltage: 250 V
Max plate dissipation: 23 W

Published ratings/characteristics promoted where clearly stated; repeated identical sections compressed 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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater voltage
18 V
Published nominal value
Heater current
700 mA
Published nominal value
Transconductance
10000 µS
Published operating characteristic

Other

Maximum plate dissipation
23 W
Published maximum rating