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Tube Tinker — Electron Tube Database
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Voltage - Dual Triode (similar high frequency) ·Triode-Triode

6CC42

Twin triode designed for HF/VHF amplification, mixer, and oscillator service, combining high-frequency gain and frequency-conversion functions for radio receiving equipment.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 350 mA

Description

Twin triode with separate cathodes for HF/VHF amplification, mixer and oscillator service.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
350 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
67000 Ω
Transconductance
0.00525 S
Amplification factor
35
Max plate voltage
300 V
Max plate dissipation
2.5 W
Max cathode current
15 mA

Representative electrical section; repeated identical physical sections compressed where applicable.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
67000 Ω
Transconductance
0.00525 S
Amplification factor
35
Max plate voltage
300 V
Max plate dissipation
2.5 W
Max cathode current
15 mA

Second physical triode section; electrically identical twin section.

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 Tesla

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Plate voltage

    150 V

    Section1/Section2

  • Grid bias

    -2 V

    Section1/Section2

  • Plate current

    8 mA

    Section1/Section2

Capacitance

  • Input capacitance

    2.2 pF

    Section1/Section2

  • Output capacitance

    0.4 pF

    Section1/Section2

Data set 02

1969 Tesla Manual of Electronic Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Application

  • Application

    HF_VHF_Amplifier_Mixer_Oscillator text