Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Capacitance
Grid1 To All
2.2 pF
Voltage Pentode ·Pentode
5886
Filamentary electrometer pentode designed for extremely low-current circuitry. It may also be connected as a triode for specialized electrometer applications, making ultra-high-impedance measurement rather than ordinary RF or audio amplification its defining function.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 5
- Nominal heater
- 1.25 V / 10 mA
Description
Filamentary electrometer pentode designed for extremely low-current circuitry; it may also be triode-connected for specialized electrometer applications.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 5
- Nominal heater voltage
- 1.25 V
- Nominal heater current
- 10 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
- 8000000 Ω
- Transconductance
- 0.000014 S
- Max plate voltage
- 225 V
- Max screen voltage
- 2.5 V
- Max cathode current
- 0.3 mA
Published ratings and characteristics promoted from approved datasheet.
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 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater voltage
1.25 V
Heater current
10 mA
Pentode plate voltage
8.5 V
PentodeConnection
Pentode screen voltage
4.5 V
PentodeConnection
Pentode grid 1 voltage
-2 V
PentodeConnection
Pentode plate current
6 uA
PentodeConnection
Pentode screen current
3.6 uA
PentodeConnection
Triode-connected plate voltage
10.5 V
TriodeConnection
Triode-connected grid voltage
-3 V
TriodeConnection
Triode-connected plate current
200 uA
TriodeConnection
Maximum plate voltage
22.5 V
Maximum screen voltage
22.5 V
Maximum cathode current
0.3 mA
Characteristic
Triode-connected transconductance
175 uS
TriodeConnection
Triode-connected amplification factor
1.8
TriodeConnection
Capacitance
Grid1-to-all capacitance
2.2 pF
Grid1-to-grid2-and-plate capacitance
2 pF