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We purchased IFSC1515AHER470M01 components with date code 2549.
After PCB cleaning, the “470” marking on the components disappeared. Our cleaning process has not changed, and we did not experience this issue with earlier date codes.
Could you please confirm whether there has been any change in the marking ink, coating, material, manufacturing process, or production location for date code 2549?
Vishay has a variant ?
After PCB cleaning, the “470” marking on the components disappeared. Our cleaning process has not changed, and we did not experience this issue with earlier date codes.
Could you please confirm whether there has been any change in the marking ink, coating, material, manufacturing process, or production location for date code 2549?
Vishay has a variant ?
