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MSL, ESD and Shelf Life Policy

To the best of our knowledge, all Harwin products can be rated as MSL Level 1 if required.  No Harwin products are electrostatically sensitive (ESD).  However, we do also operate a Shelf Life policy for all connector products containing plated components, under the guidelines of the IECQ-BS9000 Approval Standards.

In accordance with Paragraph 1.1.9 of the British Standard: BS 9520 (Generic Approval Procedure for D.C. + L.F. Electrical Connectors) the following applies to ‘Delayed Delivery’ – the time between the manufacture of the connector product and the use of the same product:

  • Connectors held for a period exceeding 36 months, from acceptance inspection, shall be re-examined.

At Harwin, this revalidation is performed after 24 months from the original date of manufacture.  Test parts are subjected to artificial accelerated ageing.  The product batch is then acceptable for a further 36 months shelf life.  During the period of the 36 month shelf life, the connectors must be stored in acceptable storage conditions, constituting:

  • The product must be kept in the original sealed Harwin packaging at all times and must retain all date code traceable numbers.
  • The product must be stored in a suitable environment that is not subjected to extreme variations in temperature and humidity.

This Policy is also available in PDF Format for download.


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