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Power - Pentode (NOT beam) ·Pentode

CK6088

Very-low-power subminiature battery pentode producing approximately 9.5 mW at 45 V.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
5F
Socket code
-
Base pins
5
Nominal heater
1.25 V / 20 mA

Description

Subminiature directly heated pentode for very-low-power output-amplifier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
5F
Socket code
-
Base pins
5
Nominal heater voltage
1.25 V
Nominal heater current
20 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

5F - 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
850000 Ω
Transconductance
0.00055 S
Max plate voltage
45 V
Max screen voltage
45 V

Promoted only from clearly identified printed electrical values; additional values 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 Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Plate voltage

    45 V

    PowerAmplifier

  • Control-grid voltage

    -1.25 V

    PowerAmplifier

  • Screen voltage

    45 V

    PowerAmplifier

  • Plate current

    0.55 mA

    PowerAmplifier

  • Screen current

    0.135 mA

    PowerAmplifier

  • Power output

    9.5 mW

    PowerAmplifier

  • Load resistance

    0.2 MΩ

    PowerAmplifier

Characteristic

  • Plate resistance

    0.85 MΩ

    Section1

  • Transconductance

    550 µS

    Section1