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Voltage Pentode - High Frequency (single) ·Pentode

S6F12

Long-life professional pentode designed for voltage amplification, with high-frequency or wideband service where specified by the manufacturer.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
7
Nominal heater
6.3 V / 300 mA

Description

Indirectly heated special-quality high-frequency pentode for parallel heater operation, using shock-resistant construction for increased reliability and life expectancy.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
300 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
0.0075 S
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
3 W
Max screen dissipation
0.9 W

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Anode voltage

    250 V

  • Screen voltage

    250 V

  • Anode current

    10 mA

  • Screen current

    2.5 mA

Capacitance

  • Anode-grid capacitance

    0.008 pF

  • Anode-earth capacitance

    3.25 pF

  • Grid-earth capacitance

    7.6 pF

Data set 02

1961 AEI Industrial Valves

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Inner mu

    75

Other

  • Maximum shock

    500 g

  • Maximum continuous acceleration

    2.5 g

  • Maximum bulb temperature

    200 °C

Data set 03

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum shock

    500 g

    ShortDuration

  • Maximum acceleration

    2.5 g

    Continuous

  • Maximum bulb temperature

    200 C