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Voltage Pentode - High Frequency (single) ·Pentode

R165

Long-life professional pentode designed for voltage amplification, with high-frequency or wideband service where specified by the manufacturer.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
18 V / 105 mA

Description

Very-high-transconductance pentode for wideband voltage amplification.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
-
Nominal heater voltage
18 V
Nominal heater current
105 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

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
100000 Ω
Transconductance
0.017 S
Max plate voltage
180 V
Max screen voltage
180 V
Max plate dissipation
2.6 W
Max screen dissipation
0.7 W

Published ratings and characteristics promoted from the approved source.

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

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • HeaterVoltageNominal

    18 V

    Nominal

  • HeaterCurrentNominal

    105 mA

    Nominal

  • Maximum Plate Voltage

    180 V

  • Maximum Screen Voltage

    180 V

  • Maximum Plate Dissipation

    2.6 W

  • Maximum Screen Dissipation

    0.7 W

Characteristic

  • Transconductance

    17000 µS

    Typical

  • Plate Resistance

    100000 ohm

    Typical