Skip to main content
Tube Tinker — Electron Tube Database
Alternatives & variationsDownload PDF datasheet

Voltage - Triode (single) ·Triode

4606

Directly heated triode for telephone equipment and preamplifier service in professional communications systems.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
4.5 V / 1 A

Description

Directly heated triode for telephone equipment and preamplifier service.

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
4.5 V
Nominal heater current
1 A
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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
5500 Ω
Transconductance
0.001 S
Amplification factor
5.5
Max plate voltage
300 V
Max plate dissipation
1.2 W
Max cathode current
12 mA

Published ratings and characteristics promoted from the supplied Philips source where explicitly available.

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

1957 Philips Receiving and Amplifying Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • HeaterOrFilamentVoltage

    4.5 V

  • HeaterOrFilamentCurrent

    1 A

  • Plate Capacitance

    2.2 pF

  • GridCapacitance

    4 pF

Other

  • Plate Voltage

    130 V

    Preamplifier

  • Grid Voltage

    -9 V

    Preamplifier

  • Plate Current

    8.5 mA

    Preamplifier

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Plate voltage

    130 V

  • Plate current

    8.5 mA

  • Transconductance

    1 mA/V

  • Grid voltage

    -9 V

  • Amplification factor

    5.5

  • Plate resistance

    5.5 kohm