Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Transconductance
7400 uS
PlateVoltage=170V
Equivalent Noise Resistance
1000 ohm
PlateVoltage=170V
Voltage Pentode - High Frequency (single) ·Pentode
3BX6
Controlled-warm-up high-transconductance pentode developed for RF and IF amplifier service in sensitive high-frequency receiver stages.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 3.4 V / 600 mA
Description
3BX6 is described in the supplied Tung-Sol datasheet as a controlled-warm-up RF/IF pentode. Published electrical ratings and operating characteristics were extracted from the supplied source.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 3.4 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
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
- 500000 Ω
- Transconductance
- 0.0074 S
- Max plate voltage
- 290 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 2.5 W
- Max screen dissipation
- 0.7 W
- Max cathode current
- 15 mA
- Rectifier max heater-cathode voltage
- 150 V
Published ratings/characteristics promoted where semantically applicable; supplemental values retained in parameter table.
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
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Characteristic
Heater voltage
3.15 V
Published heater rating
Heater current
600 mA
Published heater rating
Transconductance
6500 µS
RForIFAmplifier
Other
Plate voltage
250 V
RForIFAmplifier
Screen voltage
250 V
RForIFAmplifier
Plate current
10 mA
RForIFAmplifier