Data set 01
1958 Compagnie General
Published operating points and test conditions from this source.
SECTION 1
RelayControlSwitch
Characteristics
Charge Sensitivity
1e-9 C
Current Sensitivity
0.00000001 mA
Typical Load Resistance
10 Mohm
Specialized - Switching Tube ·RelayControlSwitch
RE689
Electrostatic relay for electronic switching and control. Electrostatic force operates the sealed switching mechanism without a conventional electromagnetic relay coil.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
The RE689 is an electrostatic relay for measuring charges around 10^-9 C or currents around 10^-11 A from high-impedance sources.
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
- -
- Nominal heater current
- -
- 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
RelayControlSwitch
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Electrostatic relay/sensing structure.
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.