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

6427

Very-high-power triode for industrial RF heating, AM broadcasting, and pulse-modulation service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7 V / 200 A

Description

The Machlett 6427 is a high-power general-purpose triode for industrial heating, am broadcasting and pulse modulation.

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
7 V
Nominal heater current
200 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
20
Max plate voltage
12500 V
Max plate dissipation
40000 W
Max cathode current
12.4 A

Maximum ratings and general characteristics promoted from the printed service tables.

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

    20

Other

  • Maximum DC plate voltage

    12500 V

  • Maximum plate dissipation

    40000 W

  • Maximum plate/cathode current

    12.4 A