CK5608A

Indirectly heated double triode for control-equipment service, electrically matching CK5608 in the source but using internally series-connected heaters.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 8EG
Socket code: -
Base pins: -
Nominal heater: 2.5 V / 2 A

Description

Indirectly heated double triode for control-equipment service. Same characteristics as CK5608; the Raytheon table states that its heaters are connected in series internally.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 8EG
Socket code: -
Base pins: -
Nominal heater voltage: 2.5 V
Nominal heater current: 2 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

8EG - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.00245 S
Amplification factor: 32

Two electrically identical triode sections represented once under repeated-section compression. Published plate/grid values are typical operating conditions.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Transconductance: 0.00245 S
Amplification factor: 32

Second physical triode section; electrically identical twin section.

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

Triode

Other

Plate voltage
300 V
Grid 1 voltage
-6 V
Plate current
6 mA
Heater connection
Series internally

Characteristic

Amplification factor
32
Transconductance
2450 uS