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Power - TV Horizontal Output (sweep) ·Pentode

6CN6

Television line-time-base output pentode designed for horizontal sweep service with very high pulse-voltage capability.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: Octal7Pin
Socket code: -
Base pins: 7
Nominal heater: 6.3 V / 1.4 A

Description

Television line-time-base output pentode with very high pulse-voltage capability.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: Octal7Pin
Socket code: -
Base pins: 7
Nominal heater voltage: 6.3 V
Nominal heater current: 1.4 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Octal7Pin - 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: 20000 Ω
Transconductance: 0.014 S
Amplification factor: 15.5
Max plate voltage: 800 V
Max screen voltage: 400 V
Max plate dissipation: 25 W
Max screen dissipation: 8 W
Max cathode current: 200 mA

High-voltage horizontal-deflection beam-power 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 General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
275 V
HorizontalDeflection
Screen-grid voltage
275 V
HorizontalDeflection
Grid voltage
-9 V
HorizontalDeflection
Plate current
91 mA
HorizontalDeflection
Screen-grid current
11 mA
HorizontalDeflection
Maximum positive pulse plate voltage
8000 V
HorizontalDeflection
Maximum plate dissipation
25 W
HorizontalDeflection
Maximum screen dissipation
8 W
HorizontalDeflection
Maximum DC cathode current
200 mA
HorizontalDeflection

Capacitance

Input capacitance
18 pF
Output capacitance
6.5 pF
Grid-to-plate capacitance
1.2 pF

Data set 02

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Peak plate voltage
8000 V
Pulse
Plate supply voltage maximum
1200 V
Screen-grid supply voltage maximum
800 V

Capacitance

Plate-to-grid capacitance maximum
1.2 pF
Input capacitance
18 pF
Output capacitance
6.5 pF

Characteristics

Plate voltage
275 V
Screen-grid voltage
275 V
Plate current
91 mA
Screen-grid current
11 mA
Control-grid voltage
-9 V
Transconductance
14000 uS
Plate resistance
20000 Ohm
Screen-to-control-grid amplification factor
15.5 ratio