Skip to main content

Power - Triode ·Triode

82402

Eimac 8240/2 family water-cooled low-mu power triode; suffix ratings not independently established.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
7.5 V / -

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
7.5 V
Nominal heater current
-
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 0

Triode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

8240/2 variant identity not fully established; base 8240/3CW5000A1 family 5000 W plate dissipation, mu 4.9, gm 0.011 A/V; held from promoted ratings.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 0

Triode

Other

  • Heater/filament voltage

    7.5 V

    Base 8240 family filament voltage; variant-specific values held