🛠️ Overview & Specifications
This is a Series 28 HiPer‑D EMI backshell, side‑entry design, Shell Size 2, with elliptical cable entry—ideal for standard and combo HiPer‑D connectors (280‑018P/‑019S/‑046P/‑047S). It’s a lightweight, low‑profile, split‑shell aluminum assembly with stainless hardware and overlapping EMI seam for robust shielding.
Part breakdown:
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289S005 = side entry
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ME = electroless nickel (RoHS) finish
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2 = shell size 2
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C = cable entry size C (≈0.48″ / 12.2 mm entry)
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NNN = no Qwik‑Ty, no slots, no band included
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1 = cable entry on long side of keystone



