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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

6227

Power/output pentode designed for audio, broadband, telephone, industrial, or general power-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6.3 V / 750 mA

Description

6227 is listed in the supplied Amperex material as a premium-quality power pentode. Published ratings and characteristics were captured from the supplied table.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
750 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
Plate resistance
9000 Ω
Transconductance
0.009 S
Amplification factor
21
Max plate voltage
300 V
Max plate dissipation
8 W

Premium-quality E80L/6227 power pentode with long-life 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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum plate voltage

    300 V

    Published table

  • Plate voltage

    250 V

    Published table

  • Screen voltage

    250 V

    Published table

  • Plate current

    50 mA

    Published table

  • Power output

    21 W

    Published table

Characteristic

  • Plate resistance

    9000 ohm

    Published table

  • Heater/filament voltage

    6.3 V

    Published rating

  • Heater/filament current

    750 mA

    Published rating

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    750 mA

    Published rating

  • Published characteristic value

    11

    PremiumQuality

  • Published characteristic value 2

    7

    PremiumQuality

Other

  • Maximum plate voltage

    300 V

    PremiumQuality

  • Plate current

    50 mA

    PremiumQuality