IEC 60151-22:1970 pdf download – Measurements of the electrical properties of electronic tubes and valves. Part 22: Methods of measurement for cold cathode counting and indicator tubes. IEC 60151-22:1970 is a technical standard that defines methods for measuring the electrical properties of electronic tubes and valves, specifically cold cathode counting and indicator tubes. Its purpose

IEC 60306-3:1970 pdf download – Measurement of photosensitive devices. Part 3: Methods of measurement of photoconductive cells for use in the visible spectrum. IEC 60306-3:1970 is a technical standard that describes methods for measuring photoconductive cells used in the visible spectrum. Its main purpose is to provide a uniform way to test the electrical and

IEC 60169-5:1970 pdf download – Radio-frequency connectors. Part 5: R.F. coaxial connectors for cables 96 IEC 50-17 and larger. IEC 60169-5:1970 is a standard for radio-frequency connectors, specifically RF coaxial connectors used with cables 96 IEC 50-17 and larger. Its main purpose is to define the technical and dimensional requirements for connectors that carry high-frequency

IEC 60067C:1970 pdf download – Third supplement – Dimensions of electronic tubes and valves. IEC 60067C:1970 is the third supplement to the standard on dimensions of electronic tubes and valves. Its main purpose is to continue updating and expanding the dimensional specifications for these components. The document provides additional mechanical standardization data to support correct

IEC 60067B:1969 pdf download – Second supplement – Dimensions of electronic tubes and valves. IEC 60067B:1969 is the second supplement to the standard on dimensions of electronic tubes and valves. Its main purpose is to update and expand the dimensional information used for the mechanical standardization of these components. The document helps define the physical