Data set 01
195X Raytheon Special Purpose Tubes
Published operating points and test conditions from this source.
SECTION 1
Tetrode
Characteristic
Nominal control-grid current
0.00000000001 mA
Electrometer
Voltage Dual Tetrode ·Tetrode-Tetrode
CK5884
Directly heated subminiature double tetrode designed for electrometer service, with nominal control-grid current around 10^-14 ampere.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 1.25 V / 10 mA
Description
CK5884 is a DualTetrode tube listed by Raytheon for electrometer service. Directly heated subminiature double tetrode for electrometer service; nominal control-grid current is 1×10^-14 A.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- 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
2 physical sections, each with unique specifications.
Section 1
Tetrode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Directly heated subminiature double tetrode for electrometer service; nominal control-grid current is 1×10^-14 A.
Section 2
Tetrode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Second physical electrometer tetrode restored under current section policy.
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.