Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Target Voltage Maximum
250 V
Target Voltage Minimum
100 V
Characteristic
Target Current
4 mA
TargetVoltage=250V
Tuning Indicator ·Triode-TuningIndicator
2G5
Circular fluorescent tuning indicator incorporating an internally connected remote-cutoff triode amplifier.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- -
- Base pins
- 7
- Nominal heater
- 2.5 V / 800 mA
Description
Circular fluorescent-target tuning indicator with an internally connected remote-cutoff triode amplifier.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 7
- Nominal heater voltage
- 2.5 V
- Nominal heater current
- 800 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
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 250 V
Published promoted fields populated from Maximum Ratings / Characteristics / Typical Operation headings.
Section 2
Tuning Indicator
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this 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.