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6Y10

Compactron with dissimilar pentodes combining an audio power-output section with a dual-control pentode for television FM sound detection.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 12EZ
Socket code: B12C
Base pins: 12
Nominal heater: 6.3 V / 830 mA

Description

Compactron with dissimilar pentodes: an audio power pentode and a dual-control pentode for TV FM detector service.

Socket description

Duodecar 12-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 12EZ
Socket code: B12C
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 830 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

12EZ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1Pin 1	—	H — Heater	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN2Pin 2	B	K — CathodeGroup EZ2	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN2Pin 2	B	SH — Internal ShieldGroup EZ2	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN3Pin 3	B	G1 — Control Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN4Pin 4	—	NC	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN5Pin 5	B	G3 — Suppressor Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN6Pin 6	B	G2 — Screen Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN7Pin 7	B	P — Plate (Anode)	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN8Pin 8	A	G1 — Control Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN9Pin 9	A	BP — Beam-Forming PlateGroup EZ9	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN9Pin 9	A	K — CathodeGroup EZ9	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN10Pin 10	A	G2 — Screen Grid	Verified GE 12AE10 terminal connections 12EZ, 1968
PIN11Pin 11	A	P — Plate (Anode)	Verified GE 12AE10 terminal connections 12EZ
PIN12Pin 12	—	H — Heater	Verified GE 12AE10 terminal connections 12EZ

Section ratings

2 physical sections, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 150000 Ω
Transconductance: 0.0084 S
Max plate voltage: 300 V
Max screen voltage: 300 V
Max plate dissipation: 4.8 W
Max screen dissipation: 1.1 W
Max cathode current: 30 mA

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 140000 Ω
Transconductance: 0.0037 S
Max plate voltage: 300 V
Max screen voltage: 300 V
Max plate dissipation: 1.7 W
Max screen dissipation: 1 W
Max cathode current: 20 mA

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater voltage
6.3 V
Nominal
Heater current
830 mA
Nominal
Plate voltage
250 V
Average characteristics
Grid 2 voltage
250 V
Average characteristics
Cathode resistor
270 ohm
Average characteristics
Load resistance
15000 ohm
ClassA; PowerAmplifier
Power output
1.8 W
ClassA; PowerAmplifier; NoBypass
Power output
1.1 W
ClassA; PowerAmplifier; CapacitorBypass
Total harmonic distortion
10 %
ClassA; PowerAmplifier

Characteristic

Plate current
16 mA
Average characteristics
Grid 2 current
2.7 mA
Average characteristics
Transconductance grid 1 to plate
8400 uS
Average characteristics
Plate resistance
150000 ohm
Average characteristics

Capacitance

Grid 1 to plate
0.24 pF
Direct interelectrode capacitance
Input capacitance
7.5 pF
Direct interelectrode capacitance
Output capacitance
6 pF
Direct interelectrode capacitance

SECTION 2

Pentode

Other

Heater voltage
6.3 V
Nominal
Heater current
830 mA
Nominal
Plate voltage
150 V
Average characteristics
Grid 2 voltage
100 V
Average characteristics
Grid 3 voltage
0 V
Average characteristics
Cathode resistor
180 ohm
Average characteristics

Characteristic

Plate current
3.7 mA
Average characteristics
Grid 2 current
3 mA
Average characteristics
Transconductance grid 1 to plate
3700 uS
Average characteristics
Transconductance grid 3 to plate
600 uS
Average characteristics
Plate resistance
140000 ohm
Average characteristics
Grid 1 cutoff voltage
-4.5 V
Average characteristics
Grid 3 cutoff voltage
-7 V
Average characteristics

Capacitance

Grid 1 to plate
0.022 pF
Direct interelectrode capacitance
Grid 1 to all
7.5 pF
Direct interelectrode capacitance
Grid 3 to plate
1.5 pF
Direct interelectrode capacitance
Grid 3 to all
6.5 pF
Direct interelectrode capacitance
Grid 1 to grid 3
0.15 pF
Direct interelectrode capacitance
Plate-to-plate coupling capacitance
0.075 pF
Cross-section capacitance

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

Grid #1-to-plate capacitance
0.24 pF
Input capacitance
7.5 pF
Output capacitance
6 pF
Plate-to-plate coupling capacitance
0.075 pF
BetweenSections

Other

Plate voltage
250 V
AverageCharacteristics
Grid #2 voltage
250 V
AverageCharacteristics
Cathode resistor
270 ohm
AverageCharacteristics
Plate current
16 mA
AverageCharacteristics
Grid #2 current
2.7 mA
AverageCharacteristics
Load resistance
15000 ohm
ClassA
Power output
1.8 W
ClassA;UnbypassedCathode
Power output
1.1 W
ClassA;BypassedCathode

Characteristic

Transconductance grid #1 to plate
8400 uS
Plate resistance
150000 ohm

SECTION 2

Pentode

Capacitance

Grid #1-to-plate capacitance
0.022 pF
Grid #1 total capacitance
7.5 pF
Grid #3-to-plate capacitance
1.5 pF
Grid #3 total capacitance
6.5 pF
Grid #1-to-grid #3 capacitance
0.15 pF

Other

Plate voltage
150 V
AverageCharacteristics
Grid #2 voltage
100 V
AverageCharacteristics
Cathode resistor
180 ohm
AverageCharacteristics
Plate current
3.7 mA
AverageCharacteristics
Grid #2 current
3 mA
AverageCharacteristics

Characteristic

Transconductance grid #1 to plate
3700 uS
Plate resistance
140000 ohm
Transconductance grid #3 to plate
600 uS