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Voltage - Dual Triode (similar) ·Triode-Triode

6EV7

Dissimilar twin triode for television circuitry, combining sections with differing characteristics for oscillator, amplifier, or related receiver functions.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 9LP
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 600 mA

Description

The 6EV7 is a high-mu twin triode specifically processed for relay-control and standby operation in television remote-control tuning equipment.

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: 9LP
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 600 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9LP - 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

Plate resistance: 11500 Ω
Transconductance: 0.0052 S
Amplification factor: 60
Max plate voltage: 300 V
Max plate dissipation: 2.5 W
Max cathode current: 25 mA
Rectifier max heater-cathode voltage: 200 V

Published promoted fields populated from the printed semantic headings.

Section 2

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 11500 Ω
Transconductance: 0.0052 S
Amplification factor: 60
Max plate voltage: 300 V
Max plate dissipation: 2.5 W
Max cathode current: 25 mA

Second physical triode restored.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Heater Voltage! 6.3 Volts
6.3 V
Heater Voltage! 6.3 Volts
Heater Current? 600 Ma
600 mA
Heater Current? 600 Ma
Heater Voltaged. .. ... ... .. .. ... ... ... .... 6.3 + 0.6 Volts
0.6 V
Heater Voltaged. .. ... ... .. .. ... ... ... .... 6.3 + 0.6 Volts
Output: pto(h+k).......... 0.33 0.23 uuf
0.23 pF
Output: pto(h+k).......... 0.33 0.23 uuf
Plate Voltage. . . ... i i 250 Volts
250 V
Plate Voltage. . . ... i i 250 Volts
Grid Voltage. . ... . i -2 Volts
-2 V
Grid Voltage. . ... . i -2 Volts
Plate Current. . .. ... ... 9.2 Ma
9.2 mA
Plate Current. . .. ... ... 9.2 Ma
Transconductance. . .. ... .. o 5200 umhos
5200 umhos
Transconductance. . .. ... .. o 5200 umhos
Plate Resistance. . ... ... ... .. .. .. . it 11,500 Ohms
11.5 Ohms
Plate Resistance. . ... ... ... .. .. .. . it 11,500 Ohms
Plate Supply Voltage. .. ... .... 150 256 Volts
256 V
Plate Supply Voltage. .. ... .... 150 256 Volts
Zero Bias Plate Current. .. ..... 10 18.5 Ma
18.5 mA
Zero Bias Plate Current. .. ..... 10 18.5 Ma
6. Plate dissipation can be as high as 2.5 watts when the “ON”’ time exceeds
2.5 W
6. Plate dissipation can be as high as 2.5 watts when the “ON”’ time exceeds
6. Plate dissipation can be as high as 4.5 watts when the “ON” time does not
4.5 W
6. Plate dissipation can be as high as 4.5 watts when the “ON” time does not

Other

Plate Voltage. ... ... ... i i 300 Volts Max.
300 V
Plate Voltage. ... ... ... i i 300 Volts Max.
Plate Dissipationd. . ........ .. 2.5 Watts Max.
2.5 W
Plate Dissipationd. . ........ .. 2.5 Watts Max.
Plate Dissipation’. .. ....... .. 4.5 Watts Max.
4.5 W
Plate Dissipation’. .. ....... .. 4.5 Watts Max.
Positive Grid Voltage. . ......................... 0 Volts Max.
0 V
Positive Grid Voltage. . ......................... 0 Volts Max.
Cathode Current. . ... ... ... .. ... ... ... . ... .. 20 Ma Max.
20 mA
Cathode Current. . ... ... ... .. ... ... ... . ... .. 20 Ma Max.
Grid Circuit Resistance. . ....................... 3.9 Megohms Max.
3.9 Megohms
Grid Circuit Resistance. . ....................... 3.9 Megohms Max.

Data set 02

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Transconductance
5200 uS
Typical

Data set 03

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Plate_voltage
250 V
Section1,Section2,ClassA
Grid_voltage
-2 V
Section1,Section2,ClassA
Plate_supply_voltage
250 V
Section1,Section2,RelayControl

Characteristic

Plate_current
7.2 mA
Section1,Section2,ClassA
Zero_bias_plate_current
18.5 mA
Section1,Section2,RelayControl

Capacitance

Grid-to-plate capacitance
3 pF
Section1,Section2
Input capacitance
3 pF
Section1,Section2
Output capacitance
0.33 pF
Section1,Section2