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6373

Mullard pentode with published Class A ratings and characteristics. The available manufacturer source establishes conventional signal-amplifier operation but does not provide sufficiently explicit application or cutoff terminology for a narrower functional classification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 8CP
Socket code: IO
Base pins: 8
Nominal heater: 1.25 V / 110 mA

Description

Mullard pentode with published ratings and characteristics extracted from the supplied datasheet.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 8CP
Socket code: IO
Base pins: 8
Nominal heater voltage: 1.25 V
Nominal heater current: 110 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

8CP - 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: 0.0015 S
Max plate voltage: 150 V
Max screen voltage: 150 V
Max plate dissipation: 1 W
Max screen dissipation: 0.45 W
Max cathode current: 15 mA

Promoted from clearly identified printed ratings/characteristics; additional published operating points and capacitances retained in TUBE_SECTION_PARAMETER.

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 General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

Input capacitance
3 pF
Section1
Output capacitance
0.7 pF
Section1
Grid-to-plate capacitance
0.1 pF
Section1

Other

Plate voltage
150 V
ClassA
Plate current
5.5 mA
ClassA
Screen current
1.4 mA
ClassA

Characteristic

Transconductance
1500 µS
ClassA

Data set 02

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

HeaterOrFilamentVoltage
1.25 V
HeaterOrFilamentCurrent
100 mA
Plate Voltage
150 V
Screen Voltage
90 V
Grid Voltage
-7.5 V
Plate Current
6.5 mA
Screen Current
1.4 mA
Transconductance
1500 uS
PlateToGridCapacitanceMax
0.1 pF
Input Capacitance
3 pF
Output Capacitance
7 pF