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Voltage Pentode - Sharp Cutoff (single) ·Pentode

6F24

High-frequency pentode designed for RF or wideband voltage amplification in radio-electronic equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 450 mA

Description

High-slope RF pentode for Class A radio-frequency amplification.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
450 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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.01 S
Max plate voltage
250 V
Max screen voltage
250 V
Max plate dissipation
4 W
Max screen dissipation
0.45 W

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

1969 Tesla Manual of Electronic Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    6.3 V

    Published nominal value

  • Heater current

    450 mA

    Published nominal value

  • Transconductance

    10000 µS

    Published operating characteristic

Other

  • Maximum plate dissipation

    4 W

    Published maximum rating