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Voltage Pentode - Sharp Cutoff (single) ·Pentode

6F10

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

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
K8/18
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 450 mA

Description

High-slope RF pentode for radio-frequency amplifier service.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
K8/18
Socket code
IO
Base pins
8
Nominal heater voltage
6.3 V
Nominal heater current
450 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

K8/18 - 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
Plate resistance
1000000 Ω
Transconductance
0.009 S
Max plate voltage
310 V
Max screen voltage
330 V
Max plate dissipation
3.3 W
Max cathode current
50 mA

Electrical section mapped from published characteristics and maximum 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

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Plate voltage

    300 V

  • Screen voltage

    150 V

  • Plate current

    10.25 mA

  • Screen current

    2.2 mA

Capacitance

  • Input capacitance

    11 pF

  • Output capacitance

    5 pF

Data set 02

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

    3.3 W

    Published maximum rating