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6898

Forced-air-cooled high-vacuum diode for airborne radar modulators, serving as rectifier, charging diode, or clipper. High inverse voltage and substantial current suit demanding pulse systems.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 5 V / 8 A

Description

Forced-air-cooled high-vacuum diode for airborne radar modulators, serving as rectifier, charging diode, or clipper diode.

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: 5 V
Nominal heater current: 8 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

Rectifier

X-ray radiationInterelectrode capacitances

Rectifier peak inverse voltage: 16000 V
Rectifier nominal output current: 200 mA
Rectifier peak forward current: 630 mA

Published electrical limits and characteristics promoted from the approved source. Values without an applicable promoted column 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

1947 Westinghouse

Published operating points and test conditions from this source.

SECTION 1

Rectifier

Other

HeaterVoltageNominal
5 V
Nominal
HeaterCurrentNominal
8 A
Nominal
Maximum Peak Inverse Voltage
16000 V
AverageOrDCOutputCurrent
200 mA
MaximumPeakForwardCurrent
630 mA
ClipperPeakCurrentMaximum
20 A
5-second maximum
ChargingDiodePeakCurrentMaximum
600 mA
AirFlowRequired
5 cfm
Forced-air cooling

Characteristic

Cathode Heating Time
120 s