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Power - Triode (over 1000V 100W) ·Triode

8548

High-voltage high-mu hard-tube pulse-modulator switch triode rated to 100 kV and 150-ampere pulse cathode current.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
11 V / 360 A

Description

The Machlett ML-8548 is a high-voltage high-mu triode for hard-tube pulse-modulator switch 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
11 V
Nominal heater current
360 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
500
Max plate voltage
100000 V
Max plate dissipation
20000 W
Max grid dissipation
1000 W
Max cathode current
150 A

Maximum ratings promoted from the printed pulse/CW service tables. X-ray flag follows the explicit source warning.

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

Characteristic

  • Amplification factor

    500

Other

  • Maximum DC/peak plate voltage

    100000 V

  • Maximum plate dissipation

    20000 W

  • Maximum grid dissipation

    1000 W

  • Maximum pulse cathode current

    150 A