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Voltage Pentode - Remote Cutoff (single) ·Pentode

6CJ5

Remote-cutoff RF pentode for variable-gain high-frequency receiver amplification and automatic gain control.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
OCTAL
Socket code
IO
Base pins
9
Nominal heater
6.3 V / 200 mA

Description

Remote-cutoff RF pentode. The supplied Philips/JETEC/RTMA sheet was read for heater data, section ratings, characteristics, operating conditions, and capacitances, with repeated identical sections compressed only where the locked workflow allows.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
OCTAL
Socket code
IO
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
200 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

OCTAL - 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
1000000 Ω
Transconductance
0.0022 S
Max plate voltage
300 V
Max screen voltage
300 V
Max plate dissipation
2 W
Max screen dissipation
0.3 W
Max cathode current
10 mA

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

  • Heater voltage

    6.3 V

  • Heater current

    200 mA

  • Plate voltage

    250 V

  • Screen voltage

    100 V

  • Plate current

    6 mA

  • Screen current

    1.7 mA

  • Transconductance

    2200 uS

  • Plate resistance

    1000000 ohm

  • Screen-grid amplification factor

    18

  • Controlled transconductance

    22 uS

    RemoteCutoffPoint

Capacitance

  • Input capacitance

    4.7 pF

  • Output capacitance

    8 pF

  • Plate-grid capacitance maximum

    0.002 pF