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Screws for Mounting LPA Packages


Product Name Length, min Diameter Thread Pitch Thread Tolerance Material Torque, in-oz
Socket Head Cap Screw, English 1/8" 0 80 Class 3A Type 316 Stainless Steel 1.0
Socket Head Cap Screw, English 1/8" 2 56 Class 3A Type 316 Stainless Steel 2.0
Socket Head Cap Screw, Metric 6 mm M1.6 0.35 mm 4g6g Type 316 Stainless Steel 1.0
Socket Head Cap Screw, Metric 6 mm M2.5 0.45 mm 4g6g Type 316 Stainless Steel 2.0

1. Mounting surface should be tapped for close tolerance fit of inner to external thread.
2. Mounting surface must be flat.
3. Any bending or deformation of the package during mounting is likely to damage the ceramic. To avoid this:
    3.1. Insert all mounting screws for a given package and tighten all finger tight.
    3.2. Begin tightening screws on opposite corners of the package to 1/3 torque
    3.3. Tighten following same screw position pattern to 2/3 torque
    3.4. Tighten following same screw position pattern to full torque
4. The use of ground or thermal pads under the package is NOT recommended.
5. The use of low tack, ductile adhesives to improve grounding and thermal performance has not been investigated by StratEdge. Customers considering this mounting should consider a package design with a thicker, stiffer base.


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