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Voltage Dual Triode Pentode ·Pentode-Triode-Triode

6CA11

Compactron combining a frame-grid video pentode with two dissimilar high-mu triodes for television wideband picture and associated signal processing.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
3
Base
-
Socket code
B12C
Base pins
12
Nominal heater
6.3 V / 1.02 A

Description

Compactron frame-grid video pentode plus two dissimilar high-mu triodes. Extracted from the supplied General Electric datasheet description and electrical construction.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B12C
Base pins
12
Nominal heater voltage
6.3 V
Nominal heater current
1.02 A
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

3 physical sections, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
490000 Ω
Transconductance
0.0212 S
Max plate voltage
330 V
Max screen voltage
330 V
Max plate dissipation
5 W
Max screen dissipation
1 W

Frame-grid video pentode

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
9200 Ω
Transconductance
0.0063 S
Amplification factor
59
Max plate voltage
330 V
Max plate dissipation
1.5 W

Triode section 1

Section 3

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
12400 Ω
Transconductance
0.0055 S
Amplification factor
68
Max plate voltage
330 V
Max plate dissipation
1 W

Triode section 2

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.

No source-specific operating conditions are recorded.