CK5971

Directly heated subminiature triode for amplifier and oscillator service in compact electronic equipment.

Directly heatedCold cathodeCommon cathodeDissimilar

Description

Subminiature directly heated triode for amplifier and oscillator service.

General specifications

Properties common to every published source and operating point.

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1F	—	F — Filament Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN2P	A	P — Plate (Anode) Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN3G2	A	G2 — Screen Grid Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN4G1	A	G1 — Control Grid Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN5G3	A	G3 — Suppressor GridGroup 7CD5 Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN5G5	A	G5 — Fifth GridGroup 7CD5 Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN6G4	A	G4 — Fourth Grid Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD
PIN7F	—	F — Filament Chart transcription; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 128, 7CD

1 physical section, each with unique specifications.

Section 1

X-ray radiationInterelectrode capacitances

Promoted only from clearly identified printed electrical values; additional values retained in TUBE_SECTION_PARAMETER.

Source-dependent data

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

Published operating points and test conditions from this source.

SECTION 1