What is the shelf life of Bourns Resistors?

Passives Resistors
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The shelf life of a Bourns resistor is two years from resistor’s the date code.
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Exemptions are CAT10, CAT16-J8/F8, CAY16-J8, CAY17-JB, CAT25 series resistor arrays which have a shelf life of one year.

Information for this FAQ post has been provided courtesy of Bourns.

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For hobbyists doing hand soldering shelf life is not much of a problem (I’ve used 10+ year old SMD parts recently). The big problem is when reflow soldering, Hackaday has a good article about the topic.

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