Downloaded from https://www.everyspec.com AMCP MW.I" TABLE AA WEl OF MILITARY SPECIFICATIONS' Naise Contn Used rot MIL-STD-202 Test methods for electronic end electrical com~ponent parts Parts in general MI L.STD.ThO Test methods for semiconductor devices Semiconductor& MI L-STD4183 Test methods end procedures for microelectronics Microelectronics MIL43TO41 0 Environmental test methods Equipments By coding the Military Specifications them- meet the environmental requirements or the selves, the coded parts and equipments can equipment, be compared to the specifications, The Military Specifications need only be coded If however, some of the digits ot a part once, since they apply as Iona as the spe(.Ifl- are lowe?
than the corresponding digits in cation remains unchanged, Some sample the equipment code, it is immediately known oodings for parts and equipment specifications that the part Is not suitable for the equipment. are shown in Table A-5. This environmental code warn developed in It is easy to code Military Speoif~cation 1963 and is used by the Canadian Military pWrs. But what about non-military (Non-MS) Electronics Standards Agency (CAMESA) for parts? They can also be coded If acceptable its evaluation procedures of nonstandard test rvldence exists, By comparing the EC's parts. CAMESA Is the Canadian military for these parts with the coda of an equip- agency for electronic parts.
ment, piArts evaluation can be simplified, The originnl code contained other param- For example, if the equipment EC Is moters such as reliability, sunshine, rain, and radiation; but these have been deleted for the 314-24-400-DO sake ot'simplicity. and the EC's of two parts are In general, EC provides an accurate, easy Resistor (MIL-R-l 112) 324-75-400- way to define the environmental character- istics of electronic parts and equipment..
It Resistor (Non-MS) 334-53-400-FO greatly simplifies parth evaluat~ioui, especially when large numbers are involved, It Is a then a comparison wvill show that the digits turiple and effective information Tetrieval sys- of the resistors are tiqual to or higher than tom, and can be used either manually or with those of the equipment. Hence, both reitistors comptiA~r".. .. ... .