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Voltage - Triode (with diode, heptode or hexode) ·Diode-Diode-Triode-Triode

6AY11

Compactron containing two high-mu triodes and two diodes, with diode sections for FM detection and triodes for audio-frequency voltage amplification.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
4
Base
12DA
Socket code
-
Base pins
12
Nominal heater
6.3 V / 690 mA

Description

The 6AY11 is a Compactron containing two high-mu triodes and two diodes. The diodes are intended for FM detector service and the triodes for audio-frequency voltage-amplifier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12DA
Socket code
-
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
690 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12DA - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

4 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
52700 Ω
Transconductance
0.0019 S
Amplification factor
100
Max plate voltage
330 V
Max plate dissipation
1 W

Representative row for the two electrically identical triode sections.

Section 2

Triode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical triode section added to match documented twin-triode/twin-diode construction.

Section 3

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Representative row for the two identical detector-diode sections; diode continuous-current rating is preserved as a parameter.

Section 4

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical diode section added to match documented twin-triode/twin-diode construction.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate Voltage

    250 V

    EachTriode

  • Grid Voltage

    -2 V

    EachTriode

  • Plate Current

    1.2 mA

    EachTriode

Capacitance

  • Grid To Plate Capacitance

    2.2 pF

    EachTriode

  • Input Capacitance

    2 pF

    EachTriode

  • Output Capacitance

    0.22 pF

    EachTriode

  • TriodeGridToDiodePlateCapacitanceMaximum

    0.08 pF

    CrossSection

  • TriodeGridSection1ToSection2CapacitanceMaximum

    0.01 pF

    CrossSection

  • TriodePlateSection1ToSection2Capacitance

    0.48 pF

    CrossSection

SECTION 3

Diode

Other

  • Maximum Continuous Diode Current

    5 mA

    EachDiode

Characteristic

  • Average Diode Current

    18 mA

    EachDiode; AppliedDC=5V

Capacitance

  • Plate To Cathode And Heater Capacitance

    2 pF

    EachDiode

  • CathodeToHeaterAndPlateCapacitance

    5.5 pF

    EachDiode