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IEC 62047-38:2021 pdf download-Semiconductor devices – Micro-electromechanical devices. 5 Testing method and test apparatus 5.1 Test principle The test is performed by applying the contact load on the metal powder paste using a cleaned glass lens with...

IEC 62047-37:2020 pdf download-Semiconductor devices – Micro-electromechanical devices. 4.4 Post-treatment After completion of the tests, first the application of mechanical stress and strain, or vibration, is halted, and then the DUT is removed from the chamber and...

IEC 62037-5:2021 pdf download-Passive RF and microwave devices, intermodulation level measurement – Part 5: Measurement of passive intermodulation in filters. Based upon these factors, measuring PIM from a filter assembly whilst it undergoes thermal or vibrational stresses...

IEC 60350-1:2021 pdf download-Household electric cooking appliances – Part 1: Ranges, ovens, steam ovens and grills – Methods for measuring performance. 5.5 Preheating The appliance is initially at room temperature. However, if preheating is specified, the appliance...

IEC 60282-1 :2020 pdf download-High-voltage fuses – Part 1: Current-limiting fuses. 4.2 Special service conditions 4.2.1 General By agreement between the manufacturer and the user, high-voltage fuses may be used under conditions different from the normal service...

IEC 60238:2020 pdf download-Edison screw lampholders. For lampholders according to this standard, the distances for impulse withstand category II are usually applicable. For holders in equipment where a higher degree of availability is expected, distances for impulse...

BS IEC 60880-2:2000 pdf download-Software for computers important to safety for nuclear power plant. 4.1.1.2 Rationale for defence against CCF due to software The rationale for defence against software faults is that any software fault will remain...

BS IEC 61577-2:2000 pdf download-Radiation protection instrumentation — Radon and radon decay product measuring instruments. 5.1 Radiation detection unit The geometrical efficiency of the detection unit shall be as high as possible. Contamination of the detector with...

BS IEC 62118:2000 pdf download-Nuclear reactor instrumentation Ð Pressurized water reactor (PWR) ofVVER design Ð Monitoring adequate cooling within the core during cold shutdown. 4.5 Cold shutdown operations Cold shutdown operations are defined as maintenance operations when...

BS IEC 60404-1: 2000 pdf download-Magnetic materials Ð Part 1: Classification. 2.2.1.3 Main applications The materials are used for large d.c. magnets where no mechanical strength is required, for example deflection magnets in elementary particle physics and...