Data set 01
1960 RCA Industrial and Communications Types
Published operating points and test conditions from this source.
SECTION 1
Triode
CrossReference
Prototype / equivalent family
6J6
Other
Military specification
MIL-E-1/243B
Voltage - Dual Triode (similar high frequency) ·Triode-Triode
6J6WA
Military/industrial common-cathode high-frequency twin triode of the 6J6 family, intended for amplifier, oscillator, and related RF service with ruggedized construction.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 78F
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 450 mA
Description
Military/industrial high-frequency double triode with a common cathode. Data was extracted from the supplied Tung-Sol source, including published ratings, characteristics, and operating information.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 78F
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
78F - 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
- 6300 Ω
- Transconductance
- 0.006 S
- Amplification factor
- 38
- Max plate voltage
- 300 V
- Max plate dissipation
- 1.5 W
- Max cathode current
- 30 mA
Representative specification for repeated identical sections.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 6300 Ω
- Transconductance
- 0.006 S
- Amplification factor
- 38
- Max plate voltage
- 300 V
- Max plate dissipation
- 1.5 W
- Max cathode current
- 30 mA
Second physical triode section; electrically identical twin 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 02
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate Voltage
300 V
Published operating/characteristic table
Characteristic
Plate Current
12.5 mA
Published operating/characteristic table
Transconductance
6000 uS
Published operating/characteristic table
Amplification Factor
38
Published operating/characteristic table
Plate Resistance
6300 ohm
Published operating/characteristic table
Data set 03
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Plate resistance
7100 ohm
PromotedValue
Transconductance
0.0053 A/V
PromotedValue
Amplification factor
38
PromotedValue
AVERAGE CHARACTERISTICS — published value 1
6.3 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
AVERAGE CHARACTERISTICS — published value 2
450 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
VOLTAGE OPERATION — published value 1
6.3 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
VOLTAGE OPERATION — published value 2
0.6 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE VOLTAGE
300 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE DISSIPATION
1.1 WATTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT
12.5 MA
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
ENVELOPE TEMPERATURE
165
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
GRID CURRENT RESISTANCE (CATHODE BIAS)
0.25
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE VOLTAGE
100 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
CATHODE BIAS RESISTOR (BOTH SECTIONS)
50 OHMS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT
9 MA
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
AMPLIFICATION FACTOR
38
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE RESISTANCE
6.3 OHMS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
Other
Maximum plate voltage
300 V
PromotedValue
Maximum plate dissipation
1.5 W
PromotedValue
Maximum cathode current
30 mA
PromotedValue
MAXIMUM HEATER-C.,THODE VOLTAGE
180 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.