Alternatives & variations Download PDF datasheet

EL86

Power pentode designed for vertical-deflection amplifier service in color and black-and-white television receivers. Its output capability supplies the current and voltage swing required by vertical scanning circuits.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9CV
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 760 mA

Description

Power pentode used for vertical-deflection amplifier service in color and black-and-white television receivers.

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: 9CV
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 760 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9CV - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1IC	—	IC EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN2G1	A	G1 — Control Grid EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN3G3	A	G3 — Suppressor GridGroup 9CV3 EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN3K	A	K — CathodeGroup 9CV3 EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN4H	—	H — Heater EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN5H	—	H — Heater EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN6IC	—	IC EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN7P	A	P — Plate (Anode) EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN8IC	—	IC EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV
PIN9G2	A	G2 — Screen Grid EIA transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9CV

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 23000 Ω
Transconductance: 0.01 S
Amplification factor: 8
Max plate voltage: 250 V
Max screen voltage: 200 V
Max plate dissipation: 12 W
Max screen dissipation: 1.75 W
Max cathode current: 100 mA

Promoted ratings and characteristics are taken from the printed target-tube entry in the approved PDF.

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

1953 La Radiotechnique

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
6.3 V
Published nominal value
Heater current
760 mA
Published nominal value
Transconductance
10000 µS
Published typical/nominal value

Data set 02

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
6.3 V
Published nominal value
Heater current
760 mA
Published nominal value

Data set 03

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
250 V
AudioOutput
Screen voltage
200 V
AudioOutput
Control-grid voltage
-18.5 V
AudioOutput
Plate current
70 mA
AudioOutput
Screen current
17 mA
AudioOutput
Power output
25 W
AudioOutput;PushPull;TwoTubes
Load resistance plate-to-plate
8000 Ω
AudioOutput;PushPull;TwoTubes

Characteristic

Transconductance
10000 µS
Section1

Data set 04

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

HeaterOrFilamentVoltage
6.3 V
HeaterOrFilamentCurrent
760 mA
Input Capacitance
13 pF
Output Capacitance
6.8 pF
PlateToGridCapacitanceMax
0.6 pF
Plate Voltage
170 V
Screen Voltage
170 V
Grid Voltage
-12.5 V
Plate Current
70 mA
Transconductance
11 mA/V
Plate Resistance
26 kohm

Other

Power Output
5.3 W
ClassA;PlateVoltage=200V

Data set 05

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Heater voltage
6.3 V
Published heater rating
Heater current
760 mA
Published heater rating
Transconductance
11000 µS
CharacteristicPoint
Plate resistance
26000 ohm
CharacteristicPoint

Other

Plate voltage
170 V
CharacteristicPoint
Screen voltage
170 V
CharacteristicPoint
Grid bias
-12.5 V
CharacteristicPoint
Plate current
70 mA
CharacteristicPoint
Screen current
3.5 mA
CharacteristicPoint
Power output
5.3 W
ClassA OneTube

Data set 06

1967 Mullard Receiving Tubes for Maintenance

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

Cin
13 pF
CAPACITANCES (measured wit hout an exte rnal shield)

Characteristic

Va
170 V
CHARACTERISTICS
) Vg2
170 V
CHARACTERISTICS
Vg1
-12.5 V
CHARACTERISTICS
gm
11
CHARACTERISTICS
ra
26
CHARACTERISTICS
Vg
1.3 V
CHARACTERISTICS
Vg
-12.5 V
CHARACTERISTICS
gm
12
CHARACTERISTICS
) ra
665
CHARACTERISTICS

Other

Vg2(b )
200 V
OPERATING CONDITIONS AS SINGLE VALV E CLASS 'A'
Ra
2.5
OPERATING CONDITIONS AS SINGLE VALV E CLASS 'A'
Va- k
250 V
OPERATING CONDITIONS FOR TWO VALVES IN CLASS 'AB'
Vg
200 V
OPERATING CONDITIONS FOR TWO VALVES IN CLASS 'AB'
Rk (per valve)
0
OPERATING CONDITIONS FOR TWO VALVES IN CLASS 'AB'
Va- e
250 V
OPERATING CONDITIONS FOR TWO VALVES IN CLASS 'AB'
Vg
250 V
OPERATING CONDITIONS FOR TWO VALVES IN CLASS 'AB'
Va(b) max
550 V
LIMITING VALUES
Va+ g
250 V
LIMITING VALUES
Vg
550 V
LIMITING VALUES
Vg
250 V
LIMITING VALUES

Data set 07

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
6.3 V
Published nominal value
Heater current
760 mA
Published nominal value

Other

Maximum plate dissipation
12 W
Published or referenced maximum rating
Maximum peak anode voltage
2 kV
Frame-output pulse service
Audio output power
5.3 W
Published quick-reference value

Data set 08

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater Voltage (ac/dc) 8 10.6
15 V
Published in approved XL86 target datasheet entry; Section1
Heater Current 0.76 0.6 0.45
300 mA
Published in approved XL86 target datasheet entry; Section1
Plate Supply Voltage
600 V
Published in approved XL86 target datasheet entry; Section1
Grid-No.2 Voltage
220 V
Published in approved XL86 target datasheet entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
600 V
Published in approved XL86 target datasheet entry; Section1
Grid-No.2 Input
2.1 W
Published in approved XL86 target datasheet entry; Section1
Peak Grid-No.2 Input
7 W
Published in approved XL86 target datasheet entry; Section1
Plate Voltage
170 V
Published in approved XL86 target datasheet entry; Section1
Grid-No.l-Circuit Resistance
1 MΩ
Published in approved XL86 target datasheet entry; Section1
Plate Voltage
275 V
Published in approved XL86 target datasheet entry; Section1
Peak Positive-Pulse Plate Voltage#
2200 V
Published in approved XL86 target datasheet entry; Section1
Grid-No.2 Voltage
275 V
Published in approved XL86 target datasheet entry; Section1

Capacitance

Grid No.l to Plate
0.6 pF
Published in approved XL86 target datasheet entry; Section1
Grid No.l to Cathode, Heater, Grid No.2, and Grid No.3
13 pF
Published in approved XL86 target datasheet entry; Section1
Plate to Cathode, Heater, Grid No.2, and Grid No.3
6.8 pF
Published in approved XL86 target datasheet entry; Section1

Characteristic

Grid-No.2 Voltage
170 V
Published in approved XL86 target datasheet entry; Section1
Grid-No.l (Control-Grid) Voltage
12.5 V
Published in approved XL86 target datasheet entry; Section1
Plate Resistance
26000 Ω
Published in approved XL86 target datasheet entry; Section1
Transconductance
11000 µS
Published in approved XL86 target datasheet entry; Section1
Plate Current
70 mA
Published in approved XL86 target datasheet entry; Section1
Grid-No.2 Current
3.5 mA
Published in approved XL86 target datasheet entry; Section1

Data set 09

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Heater voltage
6.3 V
Published nominal/basic-parameter heater condition.
Heater current
760 mA
Published heater current.
Plate current
70 mA
Published basic-parameter operating point.
Screen current
5 mA
Published basic-parameter operating point.
Transconductance
10000 µS
Published basic-parameter value; normalized to µS.
Plate resistance
23000 Ω
Published internal/plate resistance.
Input capacitance
12 pF
Published in the filename-designated tube entry.
Output capacitance
6 pF
Published in the filename-designated tube entry.
Grid-to-plate capacitance
1 pF
Published in the filename-designated tube entry.

Other

Maximum plate voltage
250 V
Published limiting operating value.
Maximum screen voltage
200 V
Published limiting operating value.
Maximum cathode current
100 mA
Published limiting cathode-current value.
Maximum plate dissipation
12 W
Published limiting plate-dissipation value.
Maximum screen dissipation
1.75 W
Published limiting screen-dissipation value.
Output power
5.6 W
Published in the filename-designated tube entry.

Data set 10

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Typical plate voltage
170 V
ClassA
Typical plate current
70 mA
ClassA
Typical output power
5.3 W
ClassA