1. Identify the exact classification record
An inventory note saying moisture sensitive can leave both the product reference and the actual classification unclear. Identify the component and retain the manufacturer's applicable MSL entry. TI's MSL Ratings and Reflow Profiles introduction presents moisture-sensitivity and peak-reflow classification as information associated with its surface-mount ICs and shown through product and packing information. These are technical fields, rather than descriptions of a bag's appearance.
Keep the component's classification linked to the exact product or packing reference that supplies it. Retain a peak-reflow field separately where the applicable record includes one. A photograph of a label can preserve what was printed, but a missing product match should remain an identification question. Do not borrow another device's classification simply because its package or former assembly process looks similar.
The distinction matters when several parts share one storage location. A common bag or shelf does not make the parts one classification group. Preserve which device and container each available label describes, including conflicting or incomplete references. This guide gives no numerical MSL decoding, floor-life threshold or reflow temperature; the purpose is to retain the actual classification rather than manufacture missing process limits.
2. Separate classification from present status
TI's applying-MSL discussion relates the classification to handling time before board mounting after applicable drypack opening. That relationship gives the classification a process context. It is different from a finding about the present moisture of particular components. Recording an MSL entry without opening or exposure information should not be presented as a completed assessment of where those parts stand in their handling history.
Keep the product field and the event record distinct. The first identifies the documented classification; the second records facts such as a known opening or repacking event. One does not fill the other's gaps. A historical production record may identify material handled at that time without establishing everything that happened after the parts were released, moved or combined with other stock.
Likewise, a peak-reflow classification is not a report of a reflow cycle on the offered units. Preserve the manufacturer's wording at its supported level. The relevant handling team may need further records to assess a particular material group, but this guide supplies no drying schedule, humidity-card interpretation or assembly profile. It does not turn a classification label into a current process-release decision.
3. Preserve pack and exposure record scope
Describe the current drypack observation precisely: what container is present and what its available label says. Keep an earlier seal or pack reference if it concerns another stage. An intact present bag may coexist with unknown previous exposure. A resealed bag records a present enclosure condition without reconstructing when the contents were first opened or how they were handled before the resealing.
Where an opening, transfer or repacking record exists, retain its identified device groups and period of coverage. Do not apply a record for one container to other parts that later occupied the same storage location. If the owner cannot connect an event to the offered material, keep that limitation explicit. No exposure calculation is performed here, and absent periods should not be filled with assumed controlled conditions.
Separate moisture-related history from ESD-packaging properties. A declaration about discharge shielding addresses a different packaging question and does not establish the component's moisture status. Conversely, an MSL entry does not supply a bag's shielding properties. Preserving the different objects being described prevents one protective-sounding field from carrying unrelated conclusions about both the enclosure and the devices inside it.
4. Submit classification with history limits
For each identified group, make the remaining question specific: an unmatched MSL label, missing opening history, a later repacking event or an unreviewed classification reference. This tells the recipient whether it needs better identity information or a separate handling-history assessment. A single status such as sealed and qualified would conceal those different evidence questions if neither conclusion had actually been established.
For an ICULTRA enquiry, provide the applicable classification reference and the available pack and exposure records without changing the material to improve its description. Use the general stock list for released quantity and ownership. This submission reports no moisture measurement, baking, reflow or lot qualification; those activities and any acceptance criteria require their own authorised technical process and actual evidence.
Sources and further reading
TI SPRABY1A’s abstract, introduction and applying-MSL text support the classification and handling-context distinction. Numerical tables, humidity-card interpretation, drying and reflow procedures are outside this guide.