Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

6147

Beam-power transmitting tube intended for RF amplifier and communications output service, providing substantial power from a compact receiving-style envelope.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
SUBMINIATURE8
Base pins
-
Nominal heater
1.25 V / 125 mA

Description

Directly heated subminiature beam pentode for intermittent-duty RF power amplification and frequency-doubler service in portable transceivers.

Socket description

Subminiature 8-lead base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
SUBMINIATURE8
Base pins
-
Nominal heater voltage
1.25 V
Nominal heater current
125 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
175000 Ω
Transconductance
0.0016 S
Max plate voltage
180 V
Max screen voltage
125 V
Max plate dissipation
1.5 W
Max screen dissipation
0.6 W
Max cathode current
4 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed where applicable.

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

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

  • Heater or filament voltage

    1.25 V

    Published nominal value

  • Heater or filament current

    125 mA

    Published nominal or representative value

  • Transconductance

    1600 µS

    Published characteristic

Other

  • Maximum plate dissipation

    1.5 W

    Published maximum rating

  • Maximum output frequency

    400 MHz

    Intermittent-duty frequency-doubler service