Below Bourns SRU1028 Series inductor may appear to have some kind of quality issue or defect, but this is actually normal. This would most likely apply to all inductors with a similar appearance.
Please see our product managers response to this:
“The glue is applied between the gap to bond the core and shield. It is common that the material can stay on top of the core as shown. It is not a product defect.”
Summary
SRU1028-1R0YTR-ND,SRU1028-1R0YCT-ND
SRU1028-101YTR-ND,SRU1028-101YCT-ND,SRU1028-101YDKR-ND
SRU1028-680YTR-ND,SRU1028-680YCT-ND
SRU1028-330YTR-ND,SRU1028-330YCT-ND,SRU1028-330YDKR-ND
SRU1028-470YTR-ND,SRU1028-470YCT-ND,SRU1028-470YDKR-ND
SRU1028-3R3YTR-ND,SRU1028-3R3YCT-ND,SRU1028-3R3YDKR-ND
SRU1028-100YTR-ND,SRU1028-100YCT-ND
SRU1028-6R8YTR-ND,SRU1028-6R8YCT-ND
SRU1028-8R2YTR-ND,SRU1028-8R2YCT-ND,SRU1028-8R2YDKR-ND
SRU1028-4R7YTR-ND,SRU1028-4R7YCT-ND,SRU1028-4R7YDKR-ND
SRU1028-151YTR-ND,SRU1028-151YCT-ND,SRU1028-151YDKR-ND
SRU1028-150YTR-ND,SRU1028-150YCT-ND,SRU1028-150YDKR-ND
SRU1028-220YTR-ND,SRU1028-220YCT-ND,SRU1028-220YDKR-ND
SRU1028-121YTR-ND,SRU1028-121YCT-ND,SRU1028-121YDKR-ND
118-SRU1028-2R2YTR-ND,118-SRU1028-2R2YCT-ND,118-SRU1028-2R2YDKR-ND
SRU1028-221Y-ND
SRU1028-120Y-ND
SRU1028-1R5Y-ND
SRU1028-560Y-ND
SRU1028-820Y-ND
SRU1028-1R0Y
SRU1028-101Y
SRU1028-680Y
SRU1028-330Y
SRU1028-470Y
SRU1028-3R3Y
SRU1028-100Y
SRU1028-6R8Y
SRU1028-8R2Y
SRU1028-4R7Y
SRU1028-151Y
SRU1028-150Y
SRU1028-220Y
SRU1028-121Y
SRU1028-2R2Y
SRU1028-221Y
SRU1028-120Y
SRU1028-1R5Y
SRU1028-560Y
SRU1028-820Y