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AD30

Cold-cathode gas-filled arc-discharge diode designed for short high-current pulses, including magnetostriction-oscillator switching service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Cold-cathode gas-filled arc-discharge diode for short high-current pulses, including magnetostriction-oscillator service.

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

1 physical section, each with unique specifications.

Section 1

Diode

X-ray radiationInterelectrode capacitances

Max plate voltage: 1800 V
Max cathode current: 100 mA

Promoted fields were populated only where the Ferranti sheet maps cleanly to the locked schema; additional ratings and operating values are retained in TUBE_SECTION_PARAMETER.

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 Ferranti

Published operating points and test conditions from this source.

SECTION 1

Diode

Other

Mean anode current maximum
100 mA
Operating frequency maximum
4 pps
Discharge capacitance maximum
10 uF
Anode voltage
1650 V
PulseDischarge
Discharge capacitance
4 uF
PulseDischarge
Trigger voltage
20000 V
PulseDischarge
Load resistance
4 Ohm
PulseDischarge
Peak anode current
250 A
Approximate
Current pulse duration
25 us
Approximate;R=4Ohm

Characteristics

Delay time
50 us
Approximate