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How are product changes handled? Does Harwin do PCNs?

Product Change Notifications (PCNs) are only released if the change is likely to cause a significant impact to fit, form or function.

Depending on the reason for the change, there may be a notification period, an opportunity to purchase the old design, or there may be no period at all and may even have already occurred. The circumstances are entirely dictated by the reasons for the change, and what has been affected.

If you require clarification on a PCN, please use the Contact form to talk to our Customer Services or Technical Teams (depending on the nature of your question).


When a change warrants a PCN (Product Change Notification), but only affects very few customers, those customers will be notified directly. When the change is likely to affect multiple customers, we send a PCN letter to all our authorized distributors, and to those who have registered for the PCN email list every 3 months.

However, you can view all of our product changes and obsolescences by visiting our dedicated PCN Page

If you have any questions about this process or want to be added to the PCN email list, please Contact Us.

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