1. Christophe Teissere says:

    hi i don’t find PT2399 Delay IC on mouser website list. Could you Help me? Thanks a lot.

  2. Brett says:

    @Christophe Teissere
    Try eBay. I bought 10 from china for around $10, including shipping. Takes a couple of weeks but if your not in a hurry always try typing IC numbers into eBay, you’ll get a bargain most times from China.

  3. Jason Chandler says:

    Most of the part numbers cannot be found on mouser… any other options?

  4. Steve Harmon says:

    Perhaps they are old parts on Mouser’s site, we have not updated this since we made this product. I would search for like products

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