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EN70

Subminiature inert-gas tetrode thyratron with negative-control characteristic. Its compact construction suits low-power switching and control circuits.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / 150 mA

Description

Subminiature inert-gas tetrode thyratron with negative control characteristic.

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: 6.3 V
Nominal heater current: 150 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

Thyratron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published Mullard ratings, characteristics, operating conditions, and capacitances extracted from supplied datasheet.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Thyratron

Characteristic

HeaterOrFilamentVoltage
6.3 V
HeaterOrFilamentCurrent
150 mA
Anode Voltage Drop
11 V
Anode To Grid Capacitance
0.08 pF
Input Capacitance
1.1 pF
Output Capacitance
1.2 pF

Other

PeakInverseAnodeVoltageMaximum
500 V
PeakForwardAnodeVoltageMaximum
500 V
PeakCathodeCurrentMaximum
100 mA
Average Cathode Current Maximum
20 mA
ControlGridNegativeVoltageMaximum
100 V
BeforeConduction
MaximumOperatingFrequency
100 Hz