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Power - Beam (NOT sweep) ·BeamPower

5812

Instant-heating miniature 10-watt beam pentode power tube intended for both RF and audio-frequency power service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B7G
Base pins
7
Nominal heater
6 V / 650 mA

Description

STANT-HEATING R-F BEAM PENTODE The 5812 is an instant-heating, 10-watt, miniature beam-pentode power tube for use in r-f and a-f service.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
7
Nominal heater voltage
6 V
Nominal heater current
650 mA
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

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
63000 Ω
Amplification factor
5.5
Max plate voltage
300 V
Max screen voltage
250 V
Max plate dissipation
10 W

Promoted ratings/characteristics from 5812.pdf.

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

1944 Hytron

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater or filament voltage

    6 V

    Published nominal value

Capacitance

  • Grid 1 to plate capacitance

    0.2 pF

    Maximum

  • Input capacitance

    9 pF

  • Output capacitance

    7.4 pF

Characteristic

  • Heating Time

    2 s

    Approximate

Other

  • Maximum DC Plate Current

    60 mA

    Class C RF maximum