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

Voltage Pentode - High Frequency (single) ·Pentode

6059

Low-microphony high-frequency pentode designed for signal amplification where mechanical vibration must produce minimal electrical disturbance. Its manufacturer registration emphasizes reduced microphonic response as a distinguishing characteristic for sensitive HF circuits.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
9BC
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 150 mA

Description

Low-microphony HF pentode; description derived from the supplied registration datasheet.

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
9BC
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
150 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

9BC - 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
2500000 Ω
Transconductance
0.00195 S
Max plate voltage
250 V
Max screen voltage
125 V
Max plate dissipation
2.05 W
Max screen dissipation
0.7 W

Published source values promoted where applicable.

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 General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • Input capacitance

    4.25 pF

  • Output capacitance

    4 pF

  • Grid-to-plate capacitance

    0.014 pF

Other

  • Plate voltage

    250 V

    ClassA

  • Screen voltage

    100 V

    ClassA

  • Control-grid bias

    -3 V

    ClassA

  • Plate current

    2.1 mA

    ClassA

  • Screen current

    0.6 mA

    ClassA

  • Plate resistance

    2500000 ohm

    ClassA

  • Transconductance

    1250 uS

    ClassA