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Power - Pentode Single (NOT beam) (under 10W) ·Pentode

5913

Extremely low-drain directly heated miniature output pentode for hearing aids and battery receivers, also designated 6007.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B9A
Base pins
9
Nominal heater
1.25 V / 13.3 mA

Description

5913 is a Pentode device. Radiation-cooled directly heated miniature pentode output amplifier for hearing aids and low-battery-drain receivers; source co-designates 6007/5913.

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
1.25 V
Nominal heater current
13.3 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
400000 Ω
Transconductance
0.000475 S
Max plate voltage
45 V
Max plate dissipation
0.025 W

Electrical values extracted from the supplied source table; typical operating values are preserved in TUBE_SECTION_PARAMETER.

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

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Grid-to-plate capacitance

    0.2 pF

  • Input capacitance

    2.5 pF

  • Output capacitance

    2.2 pF

  • Plate resistance

    0.4 MOhm

  • Transconductance

    420 uS

Other

  • Maximum plate voltage

    45 V

  • Maximum plate dissipation

    25 mW

  • Control-grid voltage

    -0.2 V

  • Screen-grid voltage

    45 V

  • Plate current

    475 uA

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

  • Grid-to-plate capacitance

    0.2 pF

  • Input capacitance

    2.5 pF

  • Output capacitance

    22 pF

Other

  • Plate voltage

    45 V

  • Grid voltage

    -0.2 V

  • Screen voltage

    45 V

  • Output power

    6 mW

Characteristic

  • Transconductance

    475 uS

  • Plate resistance

    0.4 MOhm