Component Floor Life

For office buildings refer to boma.

Component floor life. The moisture sensitivity level msl indicates the floor life of the component its storage conditions and handling precautions after the original container has been opened. Moisture sensitivity level relates to the packaging and handling precautions for some semiconductors. At the end of its useful life it is expected to be obsolescent. Increasingly semiconductors have been manufactured in smaller sizes.

If we total all the times we opened the bag it may exceeds 168 hours. Depreciation is a business tax deduction regulated by the internal revenue service irs. 10 boma painted walls have a life span of 5 years while internachi lists interior paint as having a life span of 10 15 years. The msl is an electronic standard for the time period in which a moisture sensitive device can be exposed to ambient room conditions 30 c 85 rh at level 1.

For example if the customer uses only part of tapeand reeled product rated msl 3 and the remaining product is thus exposed to ambient temperature and humidity one must refer to the floor life table 7 1 in j std 033c to determine actual floor life on the part. It is based on the idea that every asset has a useful life a period of time over which it remains useful and productive. Good epoxy flooring will have less than an hour pot life at 70 degrees. 4 0 component floor life moisture sensitive components floor life shall follow j std 033b for floor life classification and reflow bake procedures.

Ge energy connections component shelf life storage condition requirements for electronic suppliers uncontrolled when printed ge proprietary. Look at the pot life which is the time you have to work with once the epoxy is mixed. What does pot life mean when using an epoxy floor coating. Each time we put a new desiccant pack and new humidity indicator card in the msd bag and seal it.

Floor life of msd parts we run small jobs so a reel of msd components could be opened and closed a number of times. A long pot life or even worse an unlimited pot life is a sure sign of an inferior floor epoxy. Component shelf life is really an oem specification and i would expect the oem to determine shelf life based on a couple items one a specific characteristic of the component that derogates over time. The permissible time from opening the moisture barrier bag until the final soldering process that a component can remain outside the moisture barrier bag is a measure of.

30 c 60 rh at all other levels. Internal plated contacts becoming tarnished or lubricant for moving parts drying out.