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Voltage - Dual Triode (similar high frequency) ·Triode-Triode

30L17

Variable-mu VHF cascode dual triode, co-designated PCC806, designed for tuner RF amplification with gain-control capability and high combined cascode transconductance.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
-
Socket code
B9A
Base pins
9
Nominal heater
7.2 V / 300 mA

Description

Printed co-designation for the PCC806 variable-mu VHF cascode dual triode.

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
7.2 V
Nominal heater current
300 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
2400 Ω
Transconductance
0.0165 S
Amplification factor
40
Max plate voltage
150 V
Max plate dissipation
1.6 W
Max cathode current
18 mA

Representative section for two identical triodes.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2400 Ω
Transconductance
0.0165 S
Amplification factor
40
Max plate voltage
150 V
Max plate dissipation
1.6 W
Max cathode current
18 mA

Second identical physical triode section; added to align rows with SectionCount.

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

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Heater voltage

    7.2 V

    Published nominal value

  • Heater current

    300 mA

    Published nominal value

  • Transconductance

    16500 µS

    Published operating characteristic

Other

  • Combined cascode transconductance

    18.3 mA/V

    Grid-current-bias circuit