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6086

Pentode with an 18 V, 0.1 A heater and published Class A characteristics. The available manufacturer and handbook sources establish signal-amplifier operation but do not clearly support a narrower functional classification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9BK
Socket code: B9A
Base pins: 9
Nominal heater: 18 V / 100 mA

Description

6086 is listed in the supplied receiving-tube handbook as a pentode. The published heater/filament rating is 18.0 V at 0.1 A.

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: 9BK
Socket code: B9A
Base pins: 9
Nominal heater voltage: 18 V
Nominal heater current: 100 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9BK - 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: 500000 Ω
Transconductance: 0.009 S
Max plate voltage: 210 V
Max screen voltage: 210 V
Max plate dissipation: 2.1 W
Max screen dissipation: 0.35 W
Max cathode current: 16 mA

Published maximum ratings, representative operating conditions, and rectifier data reviewed.

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

Other

Maximum plate voltage
210 V
Published handbook rating
Maximum screen voltage
210 V
Published handbook rating
Plate voltage
210 V
ClassA
Screen voltage
120 V
ClassA
Plate current
10 mA
ClassA
Screen current
2.1 mA
ClassA

Characteristic

Plate resistance
500000 ohm
Published handbook characteristic
Transconductance
9000 µS
Published handbook characteristic
Heater/filament voltage
18 V
Published heater/filament rating
Heater/filament current
100 mA
Published heater/filament rating

Data set 02

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate current
10 mA
Typical
Screen current
2.1 mA
Typical
Class A output power
660 mW
At 210 V supply
Grid1-plate capacitance
0.015 pF
Maximum