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Voltage Pentode - Remote Cutoff (single) ·Pentode

6CQ6

Remote-cutoff RF pentode designed for gain-controlled Class-A amplifier service in receiving and professional equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7DB
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 200 mA

Description

Remote-cutoff RF pentode for Class A amplifier service.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7DB
Socket code
B7G
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
200 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7DB - 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
0.0025 S
Max plate voltage
300 V
Max screen voltage
300 V

Remote-cutoff RF pentode.

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

Other

  • Plate voltage

    250 V

    ClassA

  • Screen-grid voltage

    200 V

    ClassA

  • Grid voltage

    -2.5 V

    ClassA

  • Plate current

    7.8 mA

    ClassA

  • Screen-grid current

    2 mA

    ClassA

Capacitance

  • Input capacitance

    7 pF

  • Output capacitance

    4.5 pF

  • Grid-to-plate capacitance

    0.01 pF