CK5686

Raytheon special-purpose pentode documented in the supplied handbook; available source identifies the device but does not clearly establish a narrower application beyond special-service amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 350 mA

Description

CK5686 is identified in the supplied Raytheon handbook as a pentode.

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: 6.3 V
Nominal heater current: 350 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: 45000 Ω
Transconductance: 0.0031 S
Max plate voltage: 275 V
Max screen voltage: 275 V
Max plate dissipation: 8.25 W
Max screen dissipation: 3.3 W

Target handbook row and explicit cross-reference text 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 Raytheon Special Purpose Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Published characteristic value
3300
Supplied handbook row

Other

Power output
2.7 W
Published handbook row
Load resistance
9000 ohm
Published handbook row