SMT, PCB Electronics Industry News

How Do You Store Components Long-Term?

Aug 02, 2017

The increasing requirement to store components for long periods of time creates challenges when accurately accounting for appropriate storage parameters. Whether you're protecting your ability to reproduce an identical product in the next year, safeguarding your inventory, or guaranteeing your price point, here are some considerations to make when storing your components long term.

Shelf life for components is determined by both the Bag Seal Date and the Humidity Indicator Card (HIC). 12 Months - 2 Years (max).

Moisture Control

Using a Dry Packs and/or Dry Atmosphere Cabinet to control moisture is essential for long-term storage of components. Low humidity can be maintained with dry air or Nitrogen and the ability to regain optimal moisture levels within 1 hour.

  • < 5% Relative Humidity (RH)
  • Nitrogen @ 25 ° Celsius +/-5

Temperature Control

Temperature is a critical factor when considering all aspects of preservation of components, especially oxidation & intermetallic formation.

12 Degress Celsius

The optimum parameters are subject to the details of each component as labeled on related packaging. Use the detailed information according to each component. As a general rule, however, in order to control for oxidation, corrosion, and intermetallic formation it is recommended to store components for no more than 2 years, at 12 ° Celsius, <5%RH.

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