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7668

Oil-immersed high-voltage high-mu pulse-switch triode for hard-tube modulators. Extreme pulse-voltage and multiampere current capability make it a specialized switching device for radar and other high-energy pulsed systems.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 29 A

Description

Oil-immersed high-voltage high-mu pulse-switch triode for hard-tube modulators.

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: 12.6 V
Nominal heater current: 29 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

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 180
Max plate voltage: 150000 V
Max plate dissipation: 750 W
Max grid dissipation: 50 W
Max cathode current: 15 A

Applicable promoted ratings populated from printed headings; remaining published device-specific data retained as parameters.

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

1971 Machlette Laboratories

Published operating points and test conditions from this source.

SECTION 1

Triode

Capacitance

Grid-Plate Capacitance
7.5 pF
Grid-Cathode Capacitance
20 pF
Plate-Cathode Capacitance
0.2 pF

Other

Peak Positive Plate Voltage
160000 V
Pulse
DC Grid Voltage
-1500 V
Peak Positive Grid Voltage
1000 V
Peak Negative Grid Voltage
-2000 V
Typical Pulse Plate Current
11 A
Pulse
Typical Pulse Power Output
1.3 MW
Pulse