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

8741

Ruggedized miniature high-mu ceramic-metal planar triode for continuous-wave and pulsed transmitting service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 1.3 A

Description

The Machlett ML-8741 is a ruggedized miniature high-mu ceramic/metal planar triode for cw and pulsed transmitting 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
6.3 V
Nominal heater current
1.3 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
Transconductance
0.038 S
Amplification factor
80
Max plate voltage
3500 V
Max plate dissipation
100 W
Max grid dissipation
1.5 W
Max cathode current
7.5 A

General characteristics and applicable CW/pulsed maximum ratings promoted semantically.

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

    80

  • Transconductance

    38000 uS

Other

  • Maximum plate voltage

    3500 V

  • Maximum plate dissipation

    100 W

  • Maximum grid dissipation

    1.5 W

  • Maximum pulse/cathode current

    7.5 A