Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Gauge
Other
Heater Voltage
4 V
Approximate
Plate Voltage
-10 V
Grid Voltage
200 V
Maximum Heater Burnout Current
850 mA
Saturation Current
8 mA
Specialized - Gauge Tube ·Gauge
IM5
Telefunken directly heated ionization-gauge tube designed for high-vacuum pressure measurement.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / -
Description
The Telefunken IM5 is a directly heated ionization-gauge tube for measuring high vacuum.
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
- 4 V
- 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
Gauge
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Ionization-gauge electrode 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.