RMA request

In order to send in your hardware for repair or replacement, you must FIRST obtain a Return Merchandise Authorization (RMA) number from Würth Elektronik eiSos. 

  • To get a RMA number, please register your product by using this RMA request form.
  • Please enter Part no. and serial no. of the product you would like to send in
  • Enter a brief description of the technical problem.
  • On receipt of this completed form, we will immediately issue a RMA number and send it to your email address.
  • The reshipment is only possible at your own expense, incl. customs

RMA request

Contact details
Product information

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Delivery address to return merchandise:

Würth Elektronik eiSos GmbH & Co KG
"Division Wireless Connectivity & Sensors"
Rudi-Schillings-Strasse 31
54296 Trier

We can only accept merchandise sent in for repair with a valid RMA No.