IEC 60749-3 pdf download
IEC 60749-3 pdf download.Semiconductor devices – Mechanical and climatic test methods 1 Scope The purpose of this part of IEC 60749 is to verify that the materials, design, construction, markings, and workmanship of a semiconductor device are in accordance with the applicable procurement document. External visual inspection is a non-destructive test and applicable for all package types. The test is...
IEC 60749-32 pdf download
IEC 60749-32 pdf download.Semiconductor devices – Mechanical and climatic test methods 1 Scope and object This part of IEC 60749 is applicable to semiconductor devices (discrete devices and integrated circuits). The object of this test is to determine whether the device ignites due to external heating. The test uses a needle flame, simulating the effect of small flames which may...
IEC 61811-10 pdf download
IEC 61811-10 pdf download.Electromechanical elementary relays of assessed quality 1 General 1.1 Scope This part of IEC 61811 is a sectional specification applicable to electromechanical elementary (non-specified time all-or-nothing) relays of assessed quality for industrial application. NOTE Electromechanical all-or-nothing telecom relays of assessed quality are covered by IEC 61811-50. It is based on the basic relay standard IEC 61810-1 as...
IEC 60749-7 pdf download
IEC 60749-7 pdf download.Semiconductor devices – Mechanical and climatic test methods 3 Test apparatus The apparatus for testing the internal water vapour content and that of other gases shall be as follows for the chosen method. 3.1 Method 1 Method 1 measures the water vapour content of the device atmosphere by mass spectro- metry. The apparatus for method 1 shall...
IEC 61811-55 pdf download
IEC 61811-55 pdf download.Electromechanical all-or-nothing relays 1 General 1.1 Scope This part of IEC 61811 is a blank detail specification applicable to electromechanical all-or- nothing telecom relays of assessed quality. Relays according to this standard are provided for the operation in telecommunication applications. However, as electromechanical all-or- nothing relays, they are also suitable for particular industrial and other applications. This...
IEC 60401-1 pdf download
IEC 60401-1 pdf download.Terms and nomenclature for cores made of magnetically soft ferrites 1 Scope This part of IEC 60401 provides a nomenclature of the most frequent surface, bulk, and shape irregularities relevant to cores made of ferrites (magnetic oxides). Most irregularities are graphically exemplified as visual aids. A general recommendation is also given for a consistent scheme for specifying...
IEC 60761-5 pdf download
IEC 60761-5 pdf download.Equipment for continuous monitoring of radioactivity in gaseous effluents 1 Scope and object This part of IEC 60761 is applicable to equipment intended for the simultaneous, delayed or discrete sequential measurement of tritium in any gaseous form in gaseous effluents dis- charged into the environment. It is applicable to equipment designed to fulfill the following functions: –...
IEC TS 61370 pdf download
IEC TS 61370 pdf download.Steam turbines – Steam purity 1 Scope This technical specification describes the importance of the chemical characteristics of steam supplied to steam turbines and the need to prevent corrosion and deposition in steam space, in order to minimize the risk of turbine corrosion failures or loss of efficiency or output. The significance of relevant chemical parameters,...
IEC 60749-18 pdf download
IEC 60749-18 pdf download.Semiconductor devices – Mechanical and climatic test methods 1 Scope This part of IEC 60749 provides a test procedure for defining requirements for testing packaged semiconductor integrated circuits and discrete semiconductor devices for ionizing radiation (total dose) effects from a cobalt-60 ( 60 Co) gamma ray source. This standard provides an accelerated annealing test for estimating low...
IEC 60702-1 pdf download
IEC 60702-1 pdf download.Mineral insulated cables and their terminations with a rated voltage not exceeding 750 V 1 Scope This standard applies to mineral insulated general wiring cables with copper or copper alloy sheath and copper conductors and with rated voltages of 500 V and 750 V. Provision is made for a corrosion-resistant extruded outer covering over the copper sheath,...